109121104 has 20 divisors (see below), whose sum is σ = 222550240. Its totient is φ = 51688800.

The previous prime is 109121093. The next prime is 109121119. The reversal of 109121104 is 401121901.

It is a Harshad number since it is a multiple of its sum of digits (19).

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, 179172 + ... + 179779.

It is an arithmetic number, because the mean of its divisors is an integer number (11127512).

Almost surely, 2^109121104 is an apocalyptic number.

It is an amenable number.

109121104 is an abundant number, since it is smaller than the sum of its proper divisors (113429136).

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

109121104 is a wasteful number, since it uses less digits than its factorization.

109121104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358978 (or 358972 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 19.

The square root of 109121104 is about 10446.1047285579. The cubic root of 109121104 is about 477.8624628368.

The spelling of 109121104 in words is "one hundred nine million, one hundred twenty-one thousand, one hundred four".