121363660 has 24 divisors (see below), whose sum is σ = 278033616. Its totient is φ = 44132160.

The previous prime is 121363657. The next prime is 121363687. The reversal of 121363660 is 66363121.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 275607 + ... + 276046.

It is an arithmetic number, because the mean of its divisors is an integer number (11584734).

Almost surely, 2^121363660 is an apocalyptic number.

121363660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121363660 is an abundant number, since it is smaller than the sum of its proper divisors (156669956).

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

121363660 is a wasteful number, since it uses less digits than its factorization.

121363660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551673 (or 551671 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 121363660 is about 11016.5175985880. The cubic root of 121363660 is about 495.1037567761.

The spelling of 121363660 in words is "one hundred twenty-one million, three hundred sixty-three thousand, six hundred sixty".