121023957 has 16 divisors (see below), whose sum is σ = 164260800. Its totient is φ = 79248000.

The previous prime is 121023949. The next prime is 121023961. The reversal of 121023957 is 759320121.

It is not a de Polignac number, because 121023957 - 2³ = 121023949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121023997) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 38169 + ... + 41217.

It is an arithmetic number, because the mean of its divisors is an integer number (10266300).

Almost surely, 2^121023957 is an apocalyptic number.

It is an amenable number.

121023957 is a deficient number, since it is larger than the sum of its proper divisors (43236843).

121023957 is a wasteful number, since it uses less digits than its factorization.

121023957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3284.

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 121023957 is about 11001.0889006498. The cubic root of 121023957 is about 494.6413849853.

The spelling of 121023957 in words is "one hundred twenty-one million, twenty-three thousand, nine hundred fifty-seven".