1167972372 has 120 divisors (see below), whose sum is σ = 3564067584. Its totient is φ = 326576448.

The previous prime is 1167972367. The next prime is 1167972397. The reversal of 1167972372 is 2732797611.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 101118 + ... + 112074.

Almost surely, 2^1167972372 is an apocalyptic number.

1167972372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1167972372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1782033792).

1167972372 is an abundant number, since it is smaller than the sum of its proper divisors (2396095212).

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

1167972372 is a wasteful number, since it uses less digits than its factorization.

1167972372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11027 (or 11016 counting only the distinct ones).

The product of its digits is 222264, while the sum is 45.

The square root of 1167972372 is about 34175.6107772780. The cubic root of 1167972372 is about 1053.1191819712.

The spelling of 1167972372 in words is "one billion, one hundred sixty-seven million, nine hundred seventy-two thousand, three hundred seventy-two".