1147340920 has 64 divisors (see below), whose sum is σ = 2913343200. Its totient is φ = 402823680.

The previous prime is 1147340903. The next prime is 1147340941. The reversal of 1147340920 is 290437411.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32199 + ... + 57718.

Almost surely, 2^1147340920 is an apocalyptic number.

1147340920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1147340920 is an abundant number, since it is smaller than the sum of its proper divisors (1766002280).

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

1147340920 is a wasteful number, since it uses less digits than its factorization.

1147340920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89968 (or 89964 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 1147340920 is about 33872.4212302575. The cubic root of 1147340920 is about 1046.8814255431.

The spelling of 1147340920 in words is "one billion, one hundred forty-seven million, three hundred forty thousand, nine hundred twenty".