1264275794 has 16 divisors (see below), whose sum is σ = 1919324160. Its totient is φ = 624513120.

The previous prime is 1264275781. The next prime is 1264275797. The reversal of 1264275794 is 4975724621.

It is not an unprimeable number, because it can be changed into a prime (1264275797) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 293879 + ... + 298149.

It is an arithmetic number, because the mean of its divisors is an integer number (119957760).

Almost surely, 2^1264275794 is an apocalyptic number.

1264275794 is a deficient number, since it is larger than the sum of its proper divisors (655048366).

1264275794 is a wasteful number, since it uses less digits than its factorization.

1264275794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6025.

The product of its digits is 846720, while the sum is 47.

The square root of 1264275794 is about 35556.6561138699. The cubic root of 1264275794 is about 1081.3026673801.

The spelling of 1264275794 in words is "one billion, two hundred sixty-four million, two hundred seventy-five thousand, seven hundred ninety-four".