120940121544 has 64 divisors (see below), whose sum is σ = 329872711680. Its totient is φ = 36644520000.

The previous prime is 120940121539. The next prime is 120940121557. The reversal of 120940121544 is 445121049021.

It is a Harshad number since it is a multiple of its sum of digits (33).

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, 3167769 + ... + 3205719.

It is an arithmetic number, because the mean of its divisors is an integer number (5154261120).

Almost surely, 2^120940121544 is an apocalyptic number.

It is an amenable number.

120940121544 is an abundant number, since it is smaller than the sum of its proper divisors (208932590136).

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

120940121544 is a wasteful number, since it uses less digits than its factorization.

120940121544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50042 (or 50038 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The spelling of 120940121544 in words is "one hundred twenty billion, nine hundred forty million, one hundred twenty-one thousand, five hundred forty-four".