121456429944 has 16 divisors (see below), whose sum is σ = 303641074920. Its totient is φ = 40485476640.

The previous prime is 121456429937. The next prime is 121456429951. The reversal of 121456429944 is 449924654121.

It is an interprime number because it is at equal distance from previous prime (121456429937) and next prime (121456429951).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2530342267 + ... + 2530342314.

Almost surely, 2^121456429944 is an apocalyptic number.

It is an amenable number.

121456429944 is an abundant number, since it is smaller than the sum of its proper divisors (182184644976).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121456429944 is a wasteful number, since it uses less digits than its factorization.

121456429944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5060684590 (or 5060684586 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 51.

The spelling of 121456429944 in words is "one hundred twenty-one billion, four hundred fifty-six million, four hundred twenty-nine thousand, nine hundred forty-four".