1195252864 has 256 divisors, whose sum is σ = 2961100800. Its totient is φ = 474808320.

The previous prime is 1195252841. The next prime is 1195252879. The reversal of 1195252864 is 4682525911.

It is a self number, because there is not a number n which added to its sum of digits gives 1195252864.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25430889 + ... + 25430935.

It is an arithmetic number, because the mean of its divisors is an integer number (11566800).

Almost surely, 2^1195252864 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 1195252864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1480550400).

1195252864 is an abundant number, since it is smaller than the sum of its proper divisors (1765847936).

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

1195252864 is a wasteful number, since it uses less digits than its factorization.

1195252864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151 (or 139 counting only the distinct ones).

The product of its digits is 172800, while the sum is 43.

The square root of 1195252864 is about 34572.4292464386. The cubic root of 1195252864 is about 1061.2554437816.

The spelling of 1195252864 in words is "one billion, one hundred ninety-five million, two hundred fifty-two thousand, eight hundred sixty-four".