121072046354560 has 128 divisors (see below), whose sum is σ = 350244134317440. Its totient is φ = 39068626698240.

The previous prime is 121072046354531. The next prime is 121072046354563. The reversal of 121072046354560 is 65453640270121.

It is a tau number, because it is divible by the number of its divisors (128).

It is a self number, because there is not a number n which added to its sum of digits gives 121072046354560.

It is not an unprimeable number, because it can be changed into a prime (121072046354563) 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 15 ways as a sum of consecutive naturals, for example, 794777086 + ... + 794929405.

It is an arithmetic number, because the mean of its divisors is an integer number (2736282299355).

Almost surely, 2^{121072046354560} is an apocalyptic number.

121072046354560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121072046354560 is an abundant number, since it is smaller than the sum of its proper divisors (229172087962880).

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

121072046354560 is a wasteful number, since it uses less digits than its factorization.

121072046354560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1589706534 (or 1589706522 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 46.

The spelling of 121072046354560 in words is "one hundred twenty-one trillion, seventy-two billion, forty-six million, three hundred fifty-four thousand, five hundred sixty".