1264725792 has 96 divisors (see below), whose sum is σ = 4024157760. Its totient is φ = 383247360.

The previous prime is 1264725743. The next prime is 1264725799. The reversal of 1264725792 is 2975274621.

1264725792 is a `hidden beast` number, since 1 + 2 + 6 + 4 + 72 + 579 + 2 = 666.

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 (1264725799) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 57033 + ... + 76040.

It is an arithmetic number, because the mean of its divisors is an integer number (41918310).

Almost surely, 2^1264725792 is an apocalyptic number.

1264725792 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1264725792 is an abundant number, since it is smaller than the sum of its proper divisors (2759431968).

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

1264725792 is a wasteful number, since it uses less digits than its factorization.

1264725792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133103 (or 133089 counting only the distinct ones).

The product of its digits is 423360, while the sum is 45.

The square root of 1264725792 is about 35562.9834518984. The cubic root of 1264725792 is about 1081.4309427456.

The spelling of 1264725792 in words is "one billion, two hundred sixty-four million, seven hundred twenty-five thousand, seven hundred ninety-two".