1172523264 has 72 divisors (see below), whose sum is σ = 3404339232. Its totient is φ = 355307520.

The previous prime is 1172523259. The next prime is 1172523271. The reversal of 1172523264 is 4623252711.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60949 + ... + 77844.

Almost surely, 2^1172523264 is an apocalyptic number.

It is an amenable number.

1172523264 is an abundant number, since it is smaller than the sum of its proper divisors (2231815968).

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

1172523264 is a wasteful number, since it uses less digits than its factorization.

1172523264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138823 (or 138809 counting only the distinct ones).

The product of its digits is 20160, while the sum is 33.

The square root of 1172523264 is about 34242.1270367365. The cubic root of 1172523264 is about 1054.4852018470.

Adding to 1172523264 its reverse (4623252711), we get a palindrome (5795775975).

It can be divided in two parts, 117 and 2523264, that added together give a triangular number (2523381 = T₂₂₄₆).

The spelling of 1172523264 in words is "one billion, one hundred seventy-two million, five hundred twenty-three thousand, two hundred sixty-four".