121659368 has 16 divisors (see below), whose sum is σ = 231000000. Its totient is φ = 60059376.

The previous prime is 121659347. The next prime is 121659371. The reversal of 121659368 is 863956121.

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, 95618 + ... + 96881.

It is an arithmetic number, because the mean of its divisors is an integer number (14437500).

Almost surely, 2^121659368 is an apocalyptic number.

It is an amenable number.

121659368 is a deficient number, since it is larger than the sum of its proper divisors (109340632).

121659368 is a wasteful number, since it uses less digits than its factorization.

121659368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192584 (or 192580 counting only the distinct ones).

The product of its digits is 77760, while the sum is 41.

The square root of 121659368 is about 11029.9305528185. The cubic root of 121659368 is about 495.5055447963.

The spelling of 121659368 in words is "one hundred twenty-one million, six hundred fifty-nine thousand, three hundred sixty-eight".