121590348156 has 48 divisors (see below), whose sum is σ = 320402027680. Its totient is φ = 39865685760.

The previous prime is 121590348073. The next prime is 121590348161. The reversal of 121590348156 is 651843095121.

It is a happy number.

121590348156 is a `hidden beast` number, since 1 + 2 + 1 + 590 + 3 + 4 + 8 + 1 + 56 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9221581 + ... + 9234756.

Almost surely, 2^121590348156 is an apocalyptic number.

It is an amenable number.

121590348156 is an abundant number, since it is smaller than the sum of its proper divisors (198811679524).

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

121590348156 is a wasteful number, since it uses less digits than its factorization.

121590348156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18456411 (or 18456403 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 45.

The spelling of 121590348156 in words is "one hundred twenty-one billion, five hundred ninety million, three hundred forty-eight thousand, one hundred fifty-six".