109055872 has 32 divisors (see below), whose sum is σ = 223141320. Its totient is φ = 53051904.

The previous prime is 109055831. The next prime is 109055887. The reversal of 109055872 is 278550901.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6778 + ... + 16249.

Almost surely, 2^109055872 is an apocalyptic number.

It is an amenable number.

109055872 is an abundant number, since it is smaller than the sum of its proper divisors (114085448).

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

109055872 is an equidigital number, since it uses as much as digits as its factorization.

109055872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23078 (or 23066 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 37.

The square root of 109055872 is about 10442.9819496157. The cubic root of 109055872 is about 477.7672226661.

The spelling of 109055872 in words is "one hundred nine million, fifty-five thousand, eight hundred seventy-two".