1056397104 has 60 divisors (see below), whose sum is σ = 3378797136. Its totient is φ = 301827456.

The previous prime is 1056397091. The next prime is 1056397109. The reversal of 1056397104 is 4017936501.

1056397104 is a `hidden beast` number, since 1 + 0 + 5 + 639 + 7 + 10 + 4 = 666.

It is a super-2 number, since 2×1056397104² = 2231949682679173632, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1056397109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 522999 + ... + 525014.

Almost surely, 2^1056397104 is an apocalyptic number.

1056397104 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1056397104 is an abundant number, since it is smaller than the sum of its proper divisors (2322400032).

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

1056397104 is a wasteful number, since it uses less digits than its factorization.

1056397104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1048034 (or 1048025 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 1056397104 is about 32502.2630596702. The cubic root of 1056397104 is about 1018.4563038914.

It can be divided in two parts, 1056397 and 104, that added together give a palindrome (1056501).

The spelling of 1056397104 in words is "one billion, fifty-six million, three hundred ninety-seven thousand, one hundred four".