121572804 has 24 divisors (see below), whose sum is σ = 288479520. Its totient is φ = 39837184.

The previous prime is 121572799. The next prime is 121572821. The reversal of 121572804 is 408275121.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85149 + ... + 86564.

It is an arithmetic number, because the mean of its divisors is an integer number (12019980).

Almost surely, 2^121572804 is an apocalyptic number.

It is an amenable number.

121572804 is an abundant number, since it is smaller than the sum of its proper divisors (166906716).

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

121572804 is a wasteful number, since it uses less digits than its factorization.

121572804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171779 (or 171777 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 30.

The square root of 121572804 is about 11026.0058044607. The cubic root of 121572804 is about 495.3879949523.

The spelling of 121572804 in words is "one hundred twenty-one million, five hundred seventy-two thousand, eight hundred four".