1172564612 has 12 divisors (see below), whose sum is σ = 2052542940. Its totient is φ = 586123776.

The previous prime is 1172564609. The next prime is 1172564623. The reversal of 1172564612 is 2164652711.

It can be written as a sum of positive squares in 2 ways, for example, as 962488576 + 210076036 = 31024^2 + 14494^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22133 + ... + 53244.

It is an arithmetic number, because the mean of its divisors is an integer number (171045245).

Almost surely, 2^1172564612 is an apocalyptic number.

It is an amenable number.

1172564612 is a deficient number, since it is larger than the sum of its proper divisors (879978328).

1172564612 is a wasteful number, since it uses less digits than its factorization.

1172564612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79270 (or 79268 counting only the distinct ones).

The product of its digits is 20160, while the sum is 35.

The square root of 1172564612 is about 34242.7307906364. The cubic root of 1172564612 is about 1054.4975968652.

The spelling of 1172564612 in words is "one billion, one hundred seventy-two million, five hundred sixty-four thousand, six hundred twelve".