121920952 has 16 divisors (see below), whose sum is σ = 228866400. Its totient is φ = 60889920.

The previous prime is 121920947. The next prime is 121920971. The reversal of 121920952 is 259029121.

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, 1077 + ... + 15652.

It is an arithmetic number, because the mean of its divisors is an integer number (14304150).

Almost surely, 2^121920952 is an apocalyptic number.

It is an amenable number.

121920952 is a deficient number, since it is larger than the sum of its proper divisors (106945448).

121920952 is a wasteful number, since it uses less digits than its factorization.

121920952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17646 (or 17642 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 31.

The square root of 121920952 is about 11041.7821025412. The cubic root of 121920952 is about 495.8604250872.

The spelling of 121920952 in words is "one hundred twenty-one million, nine hundred twenty thousand, nine hundred fifty-two".