1172712464 has 80 divisors (see below), whose sum is σ = 2838675456. Its totient is φ = 455952000.

The previous prime is 1172712451. The next prime is 1172712487. The reversal of 1172712464 is 4642172711.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1018289 + ... + 1019439.

Almost surely, 2^1172712464 is an apocalyptic number.

1172712464 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1172712464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1419337728).

1172712464 is an abundant number, since it is smaller than the sum of its proper divisors (1665962992).

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

1172712464 is a wasteful number, since it uses less digits than its factorization.

1172712464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2004 (or 1998 counting only the distinct ones).

The product of its digits is 18816, while the sum is 35.

The square root of 1172712464 is about 34244.8896041439. The cubic root of 1172712464 is about 1054.5419165341.

The spelling of 1172712464 in words is "one billion, one hundred seventy-two million, seven hundred twelve thousand, four hundred sixty-four".