1264371364 has 27 divisors (see below), whose sum is σ = 2316030913. Its totient is φ = 603917072.

The previous prime is 1264371349. The next prime is 1264371373. The reversal of 1264371364 is 4631734621.

The square root of 1264371364 is 35558.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 80460900 + 1183910464 = 8970^2 + 34408^2 .

It is a super-2 number, since 2×1264371364² = 3197269892206440992, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1635282 + ... + 1636054.

Almost surely, 2^1264371364 is an apocalyptic number.

1264371364 is the 35558-th square number.

It is an amenable number.

1264371364 is a deficient number, since it is larger than the sum of its proper divisors (1051659549).

1264371364 is an frugal number, since it uses more digits than its factorization.

1264371364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1596 (or 798 counting only the distinct ones).

The product of its digits is 72576, while the sum is 37.

The cubic root of 1264371364 is about 1081.3299128837.

The spelling of 1264371364 in words is "one billion, two hundred sixty-four million, three hundred seventy-one thousand, three hundred sixty-four".