1264029764 has 12 divisors (see below), whose sum is σ = 2342172924. Its totient is φ = 594837504.

The previous prime is 1264029749. The next prime is 1264029769. The reversal of 1264029764 is 4679204621.

It can be written as a sum of positive squares in 2 ways, for example, as 1056900100 + 207129664 = 32510^2 + 14392^2 .

It is not an unprimeable number, because it can be changed into a prime (1264029769) 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 3 ways as a sum of consecutive naturals, for example, 9294269 + ... + 9294404.

It is an arithmetic number, because the mean of its divisors is an integer number (195181077).

Almost surely, 2^1264029764 is an apocalyptic number.

It is an amenable number.

1264029764 is a deficient number, since it is larger than the sum of its proper divisors (1078143160).

1264029764 is a wasteful number, since it uses less digits than its factorization.

1264029764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18588694 (or 18588692 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 1264029764 is about 35553.1962557517. The cubic root of 1264029764 is about 1081.2325217797.

The spelling of 1264029764 in words is "one billion, two hundred sixty-four million, twenty-nine thousand, seven hundred sixty-four".