121464920 has 32 divisors (see below), whose sum is σ = 279115200. Its totient is φ = 47551488.

The previous prime is 121464911. The next prime is 121464961. The reversal of 121464920 is 29464121.

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, 30425 + ... + 34184.

It is an arithmetic number, because the mean of its divisors is an integer number (8722350).

Almost surely, 2^121464920 is an apocalyptic number.

121464920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121464920 is an abundant number, since it is smaller than the sum of its proper divisors (157650280).

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

121464920 is a wasteful number, since it uses less digits than its factorization.

121464920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64667 (or 64663 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 121464920 is about 11021.1124665344. The cubic root of 121464920 is about 495.2414154175.

The spelling of 121464920 in words is "one hundred twenty-one million, four hundred sixty-four thousand, nine hundred twenty".