1234
1234
1234
1234 * 1234 + 1234 = 1234 * 1235 = 1523990
1234 + 1234 = 2468
1234
Pairs of positive integer factors of 1234 are: 1 x 1234 = 1234 2 x 617 = 1234 And their reverses.
By the uniqueness of numbers, the only number for 1234 is 1234 itself.
1522756
2468
1234-1234567777777 = -1234567776543
1234-1256 = -22