1056105272 has 32 divisors (see below), whose sum is σ = 2151667200. Its totient is φ = 484120800.

The previous prime is 1056105227. The next prime is 1056105287. The reversal of 1056105272 is 2725016501.

It is a super-2 number, since 2×1056105272² = 2230716691092387968, which contains 22 as substring.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

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 7 ways as a sum of consecutive naturals, for example, 107354 + ... + 116777.

It is an arithmetic number, because the mean of its divisors is an integer number (67239600).

Almost surely, 2^1056105272 is an apocalyptic number.

It is an amenable number.

1056105272 is an abundant number, since it is smaller than the sum of its proper divisors (1095561928).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1056105272 is a wasteful number, since it uses less digits than its factorization.

1056105272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224187 (or 224183 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 29.

The square root of 1056105272 is about 32497.7733391074. The cubic root of 1056105272 is about 1018.3625116636.

The spelling of 1056105272 in words is "one billion, fifty-six million, one hundred five thousand, two hundred seventy-two".