121958968 has 8 divisors (see below), whose sum is σ = 228673080. Its totient is φ = 60979480.

The previous prime is 121958953. The next prime is 121958971. The reversal of 121958968 is 869859121.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7622428 + ... + 7622443.

It is an arithmetic number, because the mean of its divisors is an integer number (28584135).

Almost surely, 2^121958968 is an apocalyptic number.

It is an amenable number.

121958968 is a deficient number, since it is larger than the sum of its proper divisors (106714112).

121958968 is a wasteful number, since it uses less digits than its factorization.

121958968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15244877 (or 15244873 counting only the distinct ones).

The product of its digits is 311040, while the sum is 49.

The square root of 121958968 is about 11043.5034296187. The cubic root of 121958968 is about 495.9119575780.

The spelling of 121958968 in words is "one hundred twenty-one million, nine hundred fifty-eight thousand, nine hundred sixty-eight".