1056894154 has 16 divisors (see below), whose sum is σ = 1641814920. Its totient is φ = 509662720.

The previous prime is 1056894079. The next prime is 1056894161. The reversal of 1056894154 is 4514986501.

It can be written as a sum of positive squares in 4 ways, for example, as 1010286225 + 46607929 = 31785^2 + 6827^2 .

It is a super-2 number, since 2×1056894154² = 2234050505518751432, 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 1056894154.

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, 45714 + ... + 64834.

Almost surely, 2^1056894154 is an apocalyptic number.

1056894154 is a deficient number, since it is larger than the sum of its proper divisors (584920766).

1056894154 is a wasteful number, since it uses less digits than its factorization.

1056894154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20105.

The product of its (nonzero) digits is 172800, while the sum is 43.

The square root of 1056894154 is about 32509.9085510864. The cubic root of 1056894154 is about 1018.6160116154.

The spelling of 1056894154 in words is "one billion, fifty-six million, eight hundred ninety-four thousand, one hundred fifty-four".