109122872 has 16 divisors (see below), whose sum is σ = 205458000. Its totient is φ = 54334080.

The previous prime is 109122799. The next prime is 109122889. The reversal of 109122872 is 278221901.

It is a happy number.

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, 26372 + ... + 30227.

It is an arithmetic number, because the mean of its divisors is an integer number (12841125).

Almost surely, 2^109122872 is an apocalyptic number.

It is an amenable number.

109122872 is a deficient number, since it is larger than the sum of its proper divisors (96335128).

109122872 is a wasteful number, since it uses less digits than its factorization.

109122872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56846 (or 56842 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 32.

The square root of 109122872 is about 10446.1893530608. The cubic root of 109122872 is about 477.8650436277.

The spelling of 109122872 in words is "one hundred nine million, one hundred twenty-two thousand, eight hundred seventy-two".