120506549873944 has 32 divisors (see below), whose sum is σ = 243333051071040. Its totient is φ = 55617832166400.

The previous prime is 120506549873939. The next prime is 120506549874001. The reversal of 120506549873944 is 449378945605021.

It is a Smith number, since the sum of its digits (67) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 120506549873944.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4188129 + ... + 16079599.

It is an arithmetic number, because the mean of its divisors is an integer number (7604157845970).

It is a 1-persistent number, because it is pandigital, but 2⋅120506549873944 = 241013099747888 is not.

Almost surely, 2^{120506549873944} is an apocalyptic number.

It is an amenable number.

120506549873944 is an abundant number, since it is smaller than the sum of its proper divisors (122826501197096).

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

120506549873944 is a wasteful number, since it uses less digits than its factorization.

120506549873944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11988931 (or 11988927 counting only the distinct ones).

The product of its (nonzero) digits is 261273600, while the sum is 67.

The spelling of 120506549873944 in words is "one hundred twenty trillion, five hundred six billion, five hundred forty-nine million, eight hundred seventy-three thousand, nine hundred forty-four".