121365960 has 64 divisors (see below), whose sum is σ = 364996800. Its totient is φ = 32284416.

The previous prime is 121365949. The next prime is 121365973. The reversal of 121365960 is 69563121.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60087 + ... + 62073.

It is an arithmetic number, because the mean of its divisors is an integer number (5703075).

Almost surely, 2^121365960 is an apocalyptic number.

121365960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121365960 is an abundant number, since it is smaller than the sum of its proper divisors (243630840).

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

121365960 is a wasteful number, since it uses less digits than its factorization.

121365960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2510 (or 2506 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 121365960 is about 11016.6219867979. The cubic root of 121365960 is about 495.1068843774.

The spelling of 121365960 in words is "one hundred twenty-one million, three hundred sixty-five thousand, nine hundred sixty".