1179871264 has 192 divisors, whose sum is σ = 2994848640. Its totient is φ = 449003520.

The previous prime is 1179871261. The next prime is 1179871271. The reversal of 1179871264 is 4621789711.

It is a happy number.

It is a super-2 number, since 2×1179871264² = 2784192399225915392, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1179871261) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 2255707 + ... + 2256229.

It is an arithmetic number, because the mean of its divisors is an integer number (15598170).

Almost surely, 2^1179871264 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1179871264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1497424320).

1179871264 is an abundant number, since it is smaller than the sum of its proper divisors (1814977376).

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

1179871264 is a wasteful number, since it uses less digits than its factorization.

1179871264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 603 (or 595 counting only the distinct ones).

The product of its digits is 169344, while the sum is 46.

The square root of 1179871264 is about 34349.2541985994. The cubic root of 1179871264 is about 1056.6833750085.

The spelling of 1179871264 in words is "one billion, one hundred seventy-nine million, eight hundred seventy-one thousand, two hundred sixty-four".