1173912864 has 96 divisors (see below), whose sum is σ = 3147693696. Its totient is φ = 382986240.

The previous prime is 1173912863. The next prime is 1173912889. The reversal of 1173912864 is 4682193711.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (1173912863) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1069564 + ... + 1070660.

It is an arithmetic number, because the mean of its divisors is an integer number (32788476).

Almost surely, 2^1173912864 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 1173912864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1573846848).

1173912864 is an abundant number, since it is smaller than the sum of its proper divisors (1973780832).

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

1173912864 is a wasteful number, since it uses less digits than its factorization.

1173912864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1338 (or 1330 counting only the distinct ones).

The product of its digits is 72576, while the sum is 42.

The square root of 1173912864 is about 34262.4118240383. The cubic root of 1173912864 is about 1054.9016069900.

The spelling of 1173912864 in words is "one billion, one hundred seventy-three million, nine hundred twelve thousand, eight hundred sixty-four".