1156807872 has 112 divisors (see below), whose sum is σ = 3710025600. Its totient is φ = 350542080.

The previous prime is 1156807807. The next prime is 1156807877. The reversal of 1156807872 is 2787086511.

It is a happy number.

1156807872 is a `hidden beast` number, since 1 + 1 + 568 + 0 + 7 + 87 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (1156807877) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11422 + ... + 49437.

Almost surely, 2^1156807872 is an apocalyptic number.

1156807872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1156807872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1855012800).

1156807872 is an abundant number, since it is smaller than the sum of its proper divisors (2553217728).

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

1156807872 is a wasteful number, since it uses less digits than its factorization.

1156807872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60891 (or 60875 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 45.

The square root of 1156807872 is about 34011.8783956429. The cubic root of 1156807872 is about 1049.7528887872.

The spelling of 1156807872 in words is "one billion, one hundred fifty-six million, eight hundred seven thousand, eight hundred seventy-two".