1292973264 has 60 divisors (see below), whose sum is σ = 3947491392. Its totient is φ = 391809600.

The previous prime is 1292973239. The next prime is 1292973271. The reversal of 1292973264 is 4623792921.

It is a super-2 number, since 2×1292973264² = 3343559722837627392, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 406552 + ... + 409719.

Almost surely, 2^1292973264 is an apocalyptic number.

It is an amenable number.

1292973264 is an abundant number, since it is smaller than the sum of its proper divisors (2654518128).

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

1292973264 is a wasteful number, since it uses less digits than its factorization.

1292973264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 816296 (or 816287 counting only the distinct ones).

The product of its digits is 326592, while the sum is 45.

The square root of 1292973264 is about 35957.9374269437. The cubic root of 1292973264 is about 1089.4229372605.

The spelling of 1292973264 in words is "one billion, two hundred ninety-two million, nine hundred seventy-three thousand, two hundred sixty-four".