109130920 has 32 divisors (see below), whose sum is σ = 245916000. Its totient is φ = 43586368.

The previous prime is 109130899. The next prime is 109130921. The reversal of 109130920 is 29031901.

It is not an unprimeable number, because it can be changed into a prime (109130921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31431 + ... + 34729.

It is an arithmetic number, because the mean of its divisors is an integer number (7684875).

Almost surely, 2^109130920 is an apocalyptic number.

109130920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

109130920 is an abundant number, since it is smaller than the sum of its proper divisors (136785080).

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

109130920 is a wasteful number, since it uses less digits than its factorization.

109130920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4137 (or 4133 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 25.

The square root of 109130920 is about 10446.5745581985. The cubic root of 109130920 is about 477.8767911293.

The spelling of 109130920 in words is "one hundred nine million, one hundred thirty thousand, nine hundred twenty".