A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 1068012 can be evenly divided by 1 2 3 4 6 9 11 12 18 22 27 29 31 33 36 44 54 58 62 66 87 93 99 108 116 124 132 174 186 198 261 279 297 319 341 348 372 396 522 558 594 638 682 783 837 899 957 1,023 1,044 1,116 1,188 1,276 1,364 1,566 1,674 1,798 1,914 2,046 2,697 2,871 3,069 3,132 3,348 3,596 3,828 4,092 5,394 5,742 6,138 8,091 8,613 9,207 9,889 10,788 11,484 12,276 16,182 17,226 18,414 19,778 24,273 29,667 32,364 34,452 36,828 39,556 48,546 59,334 89,001 97,092 118,668 178,002 267,003 356,004 534,006 and 1,068,012, with no remainder.
Since 1,068,012 cannot be divided by just 1 and 1,068,012, it is not a prime number.