120157903044 has 27 divisors (see below), whose sum is σ = 303737734573. Its totient is φ = 40051941072.

The previous prime is 120157903007. The next prime is 120157903051. The reversal of 120157903044 is 440309751021.

The square root of 120157903044 is 346638.

It is a perfect power (a square), and thus also a powerful number.

120157903044 is a `hidden beast` number, since 12 + 0 + 1 + 579 + 0 + 30 + 44 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2585722500 + 117572180544 = 50850^2 + 342888^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2050942 + ... + 2108714.

Almost surely, 2^120157903044 is an apocalyptic number.

120157903044 is the 346638-th square number.

It is an amenable number.

120157903044 is an abundant number, since it is smaller than the sum of its proper divisors (183579831529).

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

120157903044 is an frugal number, since it uses more digits than its factorization.

120157903044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115556 (or 57778 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

Multiplying 120157903044 by its sum of digits (36), we get a square (4325684509584 = 2079828²).

120157903044 divided by its sum of digits (36) gives a square (3337719529 = 57773²).

It can be divided in two parts, 120157 and 903044, that added together give a palindrome (1023201).

The spelling of 120157903044 in words is "one hundred twenty billion, one hundred fifty-seven million, nine hundred three thousand, forty-four".