1149502920 has 64 divisors (see below), whose sum is σ = 3500003520. Its totient is φ = 301956864.

The previous prime is 1149502919. The next prime is 1149502931. The reversal of 1149502920 is 292059411.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63447 + ... + 79526.

It is an arithmetic number, because the mean of its divisors is an integer number (54687555).

Almost surely, 2^1149502920 is an apocalyptic number.

1149502920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1149502920 is an abundant number, since it is smaller than the sum of its proper divisors (2350500600).

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

1149502920 is a wasteful number, since it uses less digits than its factorization.

1149502920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143054 (or 143050 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 1149502920 is about 33904.3200787156. The cubic root of 1149502920 is about 1047.5385790915.

The spelling of 1149502920 in words is "one billion, one hundred forty-nine million, five hundred two thousand, nine hundred twenty".