1056428507 has 2 divisors, whose sum is σ = 1056428508. Its totient is φ = 1056428506.

The previous prime is 1056428497. The next prime is 1056428521. The reversal of 1056428507 is 7058246501.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1056428507 - 2⁸ = 1056428251 is a prime.

It is a super-2 number, since 2×1056428507² = 2232082380804498098, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1056428207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 528214253 + 528214254.

It is an arithmetic number, because the mean of its divisors is an integer number (528214254).

Almost surely, 2^1056428507 is an apocalyptic number.

1056428507 is a deficient number, since it is larger than the sum of its proper divisors (1).

1056428507 is an equidigital number, since it uses as much as digits as its factorization.

1056428507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 67200, while the sum is 38.

The square root of 1056428507 is about 32502.7461455182. The cubic root of 1056428507 is about 1018.4663955088.

The spelling of 1056428507 in words is "one billion, fifty-six million, four hundred twenty-eight thousand, five hundred seven".