121574272 has 32 divisors (see below), whose sum is σ = 242719200. Its totient is φ = 60656640.

The previous prime is 121574269. The next prime is 121574291. The reversal of 121574272 is 272475121.

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

It is a super-2 number, since 2×121574272² = 29560607224659968, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91372 + ... + 92692.

It is an arithmetic number, because the mean of its divisors is an integer number (7584975).

Almost surely, 2^121574272 is an apocalyptic number.

It is an amenable number.

121574272 is a deficient number, since it is larger than the sum of its proper divisors (121144928).

121574272 is an equidigital number, since it uses as much as digits as its factorization.

121574272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2054 (or 2042 counting only the distinct ones).

The product of its digits is 7840, while the sum is 31.

The square root of 121574272 is about 11026.0723741503. The cubic root of 121574272 is about 495.3899888924.

The spelling of 121574272 in words is "one hundred twenty-one million, five hundred seventy-four thousand, two hundred seventy-two".