121385608 has 32 divisors (see below), whose sum is σ = 232485120. Its totient is φ = 59400000.

The previous prime is 121385581. The next prime is 121385609. The reversal of 121385608 is 806583121.

It is not an unprimeable number, because it can be changed into a prime (121385609) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121993 + ... + 122983.

It is an arithmetic number, because the mean of its divisors is an integer number (7265160).

Almost surely, 2^121385608 is an apocalyptic number.

It is an amenable number.

121385608 is a deficient number, since it is larger than the sum of its proper divisors (111099512).

121385608 is a wasteful number, since it uses less digits than its factorization.

121385608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1309 (or 1305 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 34.

The square root of 121385608 is about 11017.5136941145. The cubic root of 121385608 is about 495.1336006416.

The spelling of 121385608 in words is "one hundred twenty-one million, three hundred eighty-five thousand, six hundred eight".