A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 1014750 can be evenly divided by 1 2 3 5 6 9 10 11 15 18 22 25 30 33 41 45 50 55 66 75 82 90 99 110 123 125 150 165 198 205 225 246 250 275 330 369 375 410 450 451 495 550 615 738 750 825 902 990 1,025 1,125 1,230 1,353 1,375 1,650 1,845 2,050 2,250 2,255 2,475 2,706 2,750 3,075 3,690 4,059 4,125 4,510 4,950 5,125 6,150 6,765 8,118 8,250 9,225 10,250 11,275 12,375 13,530 15,375 18,450 20,295 22,550 24,750 30,750 33,825 40,590 46,125 56,375 67,650 92,250 101,475 112,750 169,125 202,950 338,250 507,375 and 1,014,750, with no remainder.
Since 1,014,750 cannot be divided by just 1 and 1,014,750, it is not a prime number.