1156078932 has 48 divisors (see below), whose sum is σ = 2728760832. Its totient is φ = 380913120.

The previous prime is 1156078919. The next prime is 1156078933. The reversal of 1156078932 is 2398706511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1156078933) 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, 886593 + ... + 887895.

It is an arithmetic number, because the mean of its divisors is an integer number (56849184).

Almost surely, 2^1156078932 is an apocalyptic number.

1156078932 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1156078932 is an abundant number, since it is smaller than the sum of its proper divisors (1572681900).

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

1156078932 is a wasteful number, since it uses less digits than its factorization.

1156078932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2108 (or 2106 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 42.

The square root of 1156078932 is about 34001.1607448922. The cubic root of 1156078932 is about 1049.5323486634.

The spelling of 1156078932 in words is "one billion, one hundred fifty-six million, seventy-eight thousand, nine hundred thirty-two".