1056123892 has 12 divisors (see below), whose sum is σ = 1945491520. Its totient is φ = 500269176.

The previous prime is 1056123869. The next prime is 1056123917. The reversal of 1056123892 is 2983216501.

It is a super-2 number, since 2×1056123892² = 2230795350506455328, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6948108 + ... + 6948259.

Almost surely, 2^1056123892 is an apocalyptic number.

It is an amenable number.

1056123892 is a deficient number, since it is larger than the sum of its proper divisors (889367628).

1056123892 is a wasteful number, since it uses less digits than its factorization.

1056123892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13896390 (or 13896388 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 1056123892 is about 32498.0598190107. The cubic root of 1056123892 is about 1018.3684964832.

It can be divided in two parts, 10561 and 23892, that added together give a triangular number (34453 = T₂₆₂).

The spelling of 1056123892 in words is "one billion, fifty-six million, one hundred twenty-three thousand, eight hundred ninety-two".