121602156024 has 32 divisors (see below), whose sum is σ = 304016976000. Its totient is φ = 40532507232.

The previous prime is 121602155999. The next prime is 121602156029. The reversal of 121602156024 is 420651206121.

It is a junction number, because it is equal to n+sod(n) for n = 121602155982 and 121602156000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121602156029) 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 7 ways as a sum of consecutive naturals, for example, 670767 + ... + 832545.

It is an arithmetic number, because the mean of its divisors is an integer number (9500530500).

Almost surely, 2^121602156024 is an apocalyptic number.

It is an amenable number.

121602156024 is an abundant number, since it is smaller than the sum of its proper divisors (182414819976).

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

121602156024 is a wasteful number, since it uses less digits than its factorization.

121602156024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193107 (or 193103 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The spelling of 121602156024 in words is "one hundred twenty-one billion, six hundred two million, one hundred fifty-six thousand, twenty-four".