1172924538 has 16 divisors (see below), whose sum is σ = 2347276320. Its totient is φ = 390736976.

The previous prime is 1172924521. The next prime is 1172924561. The reversal of 1172924538 is 8354292711.

It is a self number, because there is not a number n which added to its sum of digits gives 1172924538.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48633 + ... + 68636.

It is an arithmetic number, because the mean of its divisors is an integer number (146704770).

Almost surely, 2^1172924538 is an apocalyptic number.

1172924538 is an abundant number, since it is smaller than the sum of its proper divisors (1174351782).

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

1172924538 is a wasteful number, since it uses less digits than its factorization.

1172924538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118941.

The product of its digits is 120960, while the sum is 42.

The square root of 1172924538 is about 34247.9858969838. The cubic root of 1172924538 is about 1054.6054806925.

The spelling of 1172924538 in words is "one billion, one hundred seventy-two million, nine hundred twenty-four thousand, five hundred thirty-eight".