A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 1114470 can be evenly divided by 1 2 3 5 6 7 9 10 14 15 18 21 29 30 35 42 45 58 61 63 70 87 90 105 122 126 145 174 183 203 210 261 290 305 315 366 406 427 435 522 549 609 610 630 854 870 915 1,015 1,098 1,218 1,281 1,305 1,769 1,827 1,830 2,030 2,135 2,562 2,610 2,745 3,045 3,538 3,654 3,843 4,270 5,307 5,490 6,090 6,405 7,686 8,845 9,135 10,614 12,383 12,810 15,921 17,690 18,270 19,215 24,766 26,535 31,842 37,149 38,430 53,070 61,915 74,298 79,605 111,447 123,830 159,210 185,745 222,894 371,490 557,235 and 1,114,470, with no remainder.
Since 1,114,470 cannot be divided by just 1 and 1,114,470, it is not a prime number.