1056864105 has 112 divisors (see below), whose sum is σ = 2126051136. Its totient is φ = 499685760.

The previous prime is 1056864077. The next prime is 1056864119. The reversal of 1056864105 is 5014686501.

1056864105 is a `hidden beast` number, since 1 + 0 + 5 + 6 + 8 + 641 + 0 + 5 = 666.

It is not a de Polignac number, because 1056864105 - 2⁵ = 1056864073 is a prime.

It is a super-2 number, since 2×1056864105² = 2233923472874902050, 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 1056864105.

It is an unprimeable number.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 1723779 + ... + 1724391.

Almost surely, 2^1056864105 is an apocalyptic number.

1056864105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1056864105 is an abundant number, since it is smaller than the sum of its proper divisors (1069187031).

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

1056864105 is an equidigital number, since it uses as much as digits as its factorization.

1056864105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690 (or 675 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The square root of 1056864105 is about 32509.4463963938. The cubic root of 1056864105 is about 1018.6063579579.

The spelling of 1056864105 in words is "one billion, fifty-six million, eight hundred sixty-four thousand, one hundred five".