1180252864 has 28 divisors (see below), whose sum is σ = 2676645904. Its totient is φ = 505822464.

The previous prime is 1180252847. The next prime is 1180252873. The reversal of 1180252864 is 4682520811.

It is a tau number, because it is divible by the number of its divisors (28).

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 3 ways as a sum of consecutive naturals, for example, 1316799 + ... + 1317694.

Almost surely, 2^1180252864 is an apocalyptic number.

1180252864 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1180252864 is an abundant number, since it is smaller than the sum of its proper divisors (1496393040).

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

1180252864 is an equidigital number, since it uses as much as digits as its factorization.

1180252864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2634512 (or 2634502 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 37.

The square root of 1180252864 is about 34354.8084552949. The cubic root of 1180252864 is about 1056.7972820435.

The spelling of 1180252864 in words is "one billion, one hundred eighty million, two hundred fifty-two thousand, eight hundred sixty-four".