121373624 has 16 divisors (see below), whose sum is σ = 228769920. Its totient is φ = 60368320.

The previous prime is 121373621. The next prime is 121373627. The reversal of 121373624 is 426373121.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (121373621) and next prime (121373627).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121373621) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 38189 + ... + 41244.

It is an arithmetic number, because the mean of its divisors is an integer number (14298120).

Almost surely, 2^121373624 is an apocalyptic number.

It is an amenable number.

121373624 is a deficient number, since it is larger than the sum of its proper divisors (107396296).

121373624 is a wasteful number, since it uses less digits than its factorization.

121373624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79630 (or 79626 counting only the distinct ones).

The product of its digits is 6048, while the sum is 29.

The square root of 121373624 is about 11016.9698193287. The cubic root of 121373624 is about 495.1173058039.

The spelling of 121373624 in words is "one hundred twenty-one million, three hundred seventy-three thousand, six hundred twenty-four".