1056430858 has 16 divisors (see below), whose sum is σ = 1824056640. Its totient is φ = 449498016.

The previous prime is 1056430849. The next prime is 1056430867. The reversal of 1056430858 is 8580346501.

It is an interprime number because it is at equal distance from previous prime (1056430849) and next prime (1056430867).

It is a super-2 number, since 2×1056430858² = 2232092315469232328, 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 1056430858.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 269491 + ... + 273382.

It is an arithmetic number, because the mean of its divisors is an integer number (114003540).

Almost surely, 2^1056430858 is an apocalyptic number.

1056430858 is a deficient number, since it is larger than the sum of its proper divisors (767625782).

1056430858 is a wasteful number, since it uses less digits than its factorization.

1056430858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543021.

The product of its (nonzero) digits is 115200, while the sum is 40.

The square root of 1056430858 is about 32502.7823116730. The cubic root of 1056430858 is about 1018.4671510144.

The spelling of 1056430858 in words is "one billion, fifty-six million, four hundred thirty thousand, eight hundred fifty-eight".