1056164939 has 2 divisors, whose sum is σ = 1056164940. Its totient is φ = 1056164938.

The previous prime is 1056164927. The next prime is 1056164999. The reversal of 1056164939 is 9394616501.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1056164939 - 2¹² = 1056160843 is a prime.

It is a super-2 number, since 2×1056164939² = 2230968756745747442, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1056164939.

It is not a weakly prime, because it can be changed into another prime (1056164909) 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, 528082469 + 528082470.

It is an arithmetic number, because the mean of its divisors is an integer number (528082470).

Almost surely, 2^1056164939 is an apocalyptic number.

1056164939 is a deficient number, since it is larger than the sum of its proper divisors (1).

1056164939 is an equidigital number, since it uses as much as digits as its factorization.

1056164939 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 174960, while the sum is 44.

The square root of 1056164939 is about 32498.6913428833. The cubic root of 1056164939 is about 1018.3816895156.

The spelling of 1056164939 in words is "one billion, fifty-six million, one hundred sixty-four thousand, nine hundred thirty-nine".