121059167904 has 72 divisors (see below), whose sum is σ = 344362505760. Its totient is φ = 40341276288.

The previous prime is 121059167897. The next prime is 121059167917. The reversal of 121059167904 is 409761950121.

It is a tau number, because it is divible by the number of its divisors (72).

It is a self number, because there is not a number n which added to its sum of digits gives 121059167904.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 956187 + ... + 1075365.

It is an arithmetic number, because the mean of its divisors is an integer number (4782812580).

Almost surely, 2^121059167904 is an apocalyptic number.

It is an amenable number.

121059167904 is an abundant number, since it is smaller than the sum of its proper divisors (223303337856).

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

121059167904 is a wasteful number, since it uses less digits than its factorization.

121059167904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122722 (or 122711 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 45.

The spelling of 121059167904 in words is "one hundred twenty-one billion, fifty-nine million, one hundred sixty-seven thousand, nine hundred four".