1172716256 has 12 divisors (see below), whose sum is σ = 2308785192. Its totient is φ = 586358112.

The previous prime is 1172716189. The next prime is 1172716351. The reversal of 1172716256 is 6526172711.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18323660 + ... + 18323723.

It is an arithmetic number, because the mean of its divisors is an integer number (192398766).

Almost surely, 2^1172716256 is an apocalyptic number.

1172716256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1172716256 is a deficient number, since it is larger than the sum of its proper divisors (1136068936).

1172716256 is an equidigital number, since it uses as much as digits as its factorization.

1172716256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36647393 (or 36647385 counting only the distinct ones).

The product of its digits is 35280, while the sum is 38.

The square root of 1172716256 is about 34244.9449700244. The cubic root of 1172716256 is about 1054.5430531636.

Adding to 1172716256 its reverse (6526172711), we get a palindrome (7698888967).

The spelling of 1172716256 in words is "one billion, one hundred seventy-two million, seven hundred sixteen thousand, two hundred fifty-six".