Q: Is 1,331,121 a Prime Number?
A: No, 1,331,121 is not a prime number.
A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 1331121 can be evenly divided by 1 3 11 19 33 57 121 193 209 363 579 627 2,123 2,299 3,667 6,369 6,897 11,001 23,353 40,337 70,059 121,011 443,707 and 1,331,121, with no remainder.
Since 1,331,121 cannot be divided by just 1 and 1,331,121, it is not a prime number.