Round 1248486 to four significant figures?

What is the smallist number with 4 factors? What is the answer to x2-9x plus 21 equals 0? What is 12 N and 85 W? What is a third of 45? How do you write 17th of September in words? How many feet are 60 inches? How do you ensure that data captured is of high standard and quality? How many milloleters are in 1 kiloleter? What is the value of an 1871 three cent nickel with no letters or numbers? If a equals 5 and b equals 8 will be ab? What is the short form for the word luxury? What is the Roman numeral for 554? The vertical axis of a chart is called the what axis? Two lines that on the same plane that never intersect? How many times can 10 go into 760? CLXXII in Hindu Arabic form? What is the hardest math question in existence? If you want to show 137 429 with place value blocks and you have enough hundreds and ones blocks but you only have 4 tens how can you show the problem explan? How many miles in 58000 km? What percentage is 11 wrong out of 101?