1264113732 has 48 divisors (see below), whose sum is σ = 3462085760. Its totient is φ = 351412992.

The previous prime is 1264113731. The next prime is 1264113733. The reversal of 1264113732 is 2373114621.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1264113731) and next prime (1264113733).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 1264113732.

It is not an unprimeable number, because it can be changed into a prime (1264113731) 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, 200257 + ... + 206472.

Almost surely, 2^1264113732 is an apocalyptic number.

1264113732 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1264113732 is an abundant number, since it is smaller than the sum of its proper divisors (2197972028).

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

1264113732 is a wasteful number, since it uses less digits than its factorization.

1264113732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406780 (or 406778 counting only the distinct ones).

The product of its digits is 6048, while the sum is 30.

The square root of 1264113732 is about 35554.3771144989. The cubic root of 1264113732 is about 1081.2564629148.

It can be divided in two parts, 1264113 and 732, that added together give a triangular number (1264845 = T₁₅₉₀).

The spelling of 1264113732 in words is "one billion, two hundred sixty-four million, one hundred thirteen thousand, seven hundred thirty-two".