$1000000000
1000000 pounds, if it is currency, then put the 'pound symbol' in front. It looks kind of like an L.
1,200,000 pounds.
1,011,000 pounds.
1,375,000 pounds or 1.375 million pounds.
1,600,000 pounds
1,000,000 pounds.
one million, one hundred ninety thousand pounds
You would write it for 1000003 along with the appropriate currency symbols.
£1,000,000 or £M 1
£ 1,000,050
£1'000'500
1,079,000 pounds.