1167548972 has 12 divisors (see below), whose sum is σ = 2045129520. Its totient is φ = 583226256.

The previous prime is 1167548971. The next prime is 1167548989. The reversal of 1167548972 is 2798457611.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1167548972.

It is not an unprimeable number, because it can be changed into a prime (1167548971) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132248 + ... + 140799.

It is an arithmetic number, because the mean of its divisors is an integer number (170427460).

Almost surely, 2^1167548972 is an apocalyptic number.

It is an amenable number.

1167548972 is a deficient number, since it is larger than the sum of its proper divisors (877580548).

1167548972 is a wasteful number, since it uses less digits than its factorization.

1167548972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274120 (or 274118 counting only the distinct ones).

The product of its digits is 846720, while the sum is 50.

The square root of 1167548972 is about 34169.4157398104. The cubic root of 1167548972 is about 1052.9919116798.

The spelling of 1167548972 in words is "one billion, one hundred sixty-seven million, five hundred forty-eight thousand, nine hundred seventy-two".