1056812039 has 2 divisors, whose sum is σ = 1056812040. Its totient is φ = 1056812038.

The previous prime is 1056812017. The next prime is 1056812063. The reversal of 1056812039 is 9302186501.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1056812039 is a prime.

It is a super-2 number, since 2×1056812039² = 2233703371550675042, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1056812839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 528406019 + 528406020.

It is an arithmetic number, because the mean of its divisors is an integer number (528406020).

Almost surely, 2^1056812039 is an apocalyptic number.

1056812039 is a deficient number, since it is larger than the sum of its proper divisors (1).

1056812039 is an equidigital number, since it uses as much as digits as its factorization.

1056812039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 1056812039 is about 32508.6456039005. The cubic root of 1056812039 is about 1018.5896306009.

The spelling of 1056812039 in words is "one billion, fifty-six million, eight hundred twelve thousand, thirty-nine".