1056424113 has 10 divisors (see below), whose sum is σ = 1578115154. Its totient is φ = 704282688.

The previous prime is 1056424091. The next prime is 1056424121. The reversal of 1056424113 is 3114246501.

It is a happy number.

1056424113 is a `hidden beast` number, since 1 + 0 + 5 + 642 + 4 + 1 + 13 = 666.

It can be written as a sum of positive squares in only one way, i.e., 752514624 + 303909489 = 27432^2 + 17433^2 .

It is not a de Polignac number, because 1056424113 - 2⁶ = 1056424049 is a prime.

It is a super-2 number, since 2×1056424113² = 2232063813055673538, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1056424133) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 6521056 + ... + 6521217.

Almost surely, 2^1056424113 is an apocalyptic number.

It is an amenable number.

1056424113 is a deficient number, since it is larger than the sum of its proper divisors (521691041).

1056424113 is an equidigital number, since it uses as much as digits as its factorization.

1056424113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13042285 (or 13042276 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 1056424113 is about 32502.6785511594. The cubic root of 1056424113 is about 1018.4649834721.

The spelling of 1056424113 in words is "one billion, fifty-six million, four hundred twenty-four thousand, one hundred thirteen".