1172666972 has 12 divisors (see below), whose sum is σ = 2052832656. Its totient is φ = 586143360.

The previous prime is 1172666969. The next prime is 1172667019. The reversal of 1172666972 is 2796662711.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33173 + ... + 58700.

It is an arithmetic number, because the mean of its divisors is an integer number (171069388).

Almost surely, 2^1172666972 is an apocalyptic number.

It is an amenable number.

1172666972 is a deficient number, since it is larger than the sum of its proper divisors (880165684).

1172666972 is a wasteful number, since it uses less digits than its factorization.

1172666972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95068 (or 95066 counting only the distinct ones).

The product of its digits is 381024, while the sum is 47.

The square root of 1172666972 is about 34244.2253818071. The cubic root of 1172666972 is about 1054.5282803864.

The spelling of 1172666972 in words is "one billion, one hundred seventy-two million, six hundred sixty-six thousand, nine hundred seventy-two".