1152916920 has 96 divisors (see below), whose sum is σ = 3756373920. Its totient is φ = 306673920.

The previous prime is 1152916907. The next prime is 1152916943. The reversal of 1152916920 is 296192511.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 147757 + ... + 155363.

It is an arithmetic number, because the mean of its divisors is an integer number (39128895).

Almost surely, 2^1152916920 is an apocalyptic number.

1152916920 is a gapful number since it is divisible by the number (10) 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 1152916920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1878186960).

1152916920 is an abundant number, since it is smaller than the sum of its proper divisors (2603457000).

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

1152916920 is a wasteful number, since it uses less digits than its factorization.

1152916920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8045 (or 8038 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 36.

The square root of 1152916920 is about 33954.6303175281. The cubic root of 1152916920 is about 1048.5746101063.

The spelling of 1152916920 in words is "one billion, one hundred fifty-two million, nine hundred sixteen thousand, nine hundred twenty".