109123120 has 20 divisors (see below), whose sum is σ = 253711440. Its totient is φ = 43649216.

The previous prime is 109123117. The next prime is 109123123. The reversal of 109123120 is 21321901.

It is an interprime number because it is at equal distance from previous prime (109123117) and next prime (109123123).

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (109123123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 681940 + ... + 682099.

It is an arithmetic number, because the mean of its divisors is an integer number (12685572).

Almost surely, 2^109123120 is an apocalyptic number.

109123120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

109123120 is an abundant number, since it is smaller than the sum of its proper divisors (144588320).

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

109123120 is a wasteful number, since it uses less digits than its factorization.

109123120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1364052 (or 1364046 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 109123120 is about 10446.2012234113. The cubic root of 109123120 is about 477.8654056369.

The spelling of 109123120 in words is "one hundred nine million, one hundred twenty-three thousand, one hundred twenty".