121520480076 has 18 divisors (see below), whose sum is σ = 307176769172. Its totient is φ = 40506826680.

The previous prime is 121520480069. The next prime is 121520480077. The reversal of 121520480076 is 670084025121.

121520480076 is a `hidden beast` number, since 1 + 21 + 520 + 48 + 0 + 0 + 76 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 3375568891 = 121520480076 / (1 + 2 + 1 + 5 + 2 + 0 + 4 + 8 + 0 + 0 + 7 + 6).

It is a self number, because there is not a number n which added to its sum of digits gives 121520480076.

It is not an unprimeable number, because it can be changed into a prime (121520480077) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1687784410 + ... + 1687784481.

Almost surely, 2^121520480076 is an apocalyptic number.

It is an amenable number.

121520480076 is an abundant number, since it is smaller than the sum of its proper divisors (185656289096).

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

121520480076 is a wasteful number, since it uses less digits than its factorization.

121520480076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3375568901 (or 3375568896 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The spelling of 121520480076 in words is "one hundred twenty-one billion, five hundred twenty million, four hundred eighty thousand, seventy-six".