121574372 has 6 divisors (see below), whose sum is σ = 212755158. Its totient is φ = 60787184.

The previous prime is 121574359. The next prime is 121574393. The reversal of 121574372 is 273475121.

It can be written as a sum of positive squares in only one way, i.e., 121528576 + 45796 = 11024^2 + 214^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15196793 + ... + 15196800.

It is an arithmetic number, because the mean of its divisors is an integer number (35459193).

Almost surely, 2^121574372 is an apocalyptic number.

It is an amenable number.

121574372 is a deficient number, since it is larger than the sum of its proper divisors (91180786).

121574372 is a wasteful number, since it uses less digits than its factorization.

121574372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30393597 (or 30393595 counting only the distinct ones).

The product of its digits is 11760, while the sum is 32.

The square root of 121574372 is about 11026.0769088557. The cubic root of 121574372 is about 495.3901247188.

The spelling of 121574372 in words is "one hundred twenty-one million, five hundred seventy-four thousand, three hundred seventy-two".