121052372 has 24 divisors (see below), whose sum is σ = 243122880. Its totient is φ = 51661440.

The previous prime is 121052357. The next prime is 121052389. The reversal of 121052372 is 273250121.

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 7 ways as a sum of consecutive naturals, for example, 2222 + ... + 15717.

It is an arithmetic number, because the mean of its divisors is an integer number (10130120).

Almost surely, 2^121052372 is an apocalyptic number.

It is an amenable number.

121052372 is an abundant number, since it is smaller than the sum of its proper divisors (122070508).

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

121052372 is a wasteful number, since it uses less digits than its factorization.

121052372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18191 (or 18189 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 121052372 is about 11002.3802879195. The cubic root of 121052372 is about 494.6800939469.

The spelling of 121052372 in words is "one hundred twenty-one million, fifty-two thousand, three hundred seventy-two".