1270813264 has 40 divisors (see below), whose sum is σ = 2831906048. Its totient is φ = 541157760.

The previous prime is 1270813259. The next prime is 1270813283. The reversal of 1270813264 is 4623180721.

It is a super-2 number, since 2×1270813264² = 3229932703916667392, 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 7 ways as a sum of consecutive naturals, for example, 18552 + ... + 53719.

Almost surely, 2^1270813264 is an apocalyptic number.

1270813264 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1270813264 is an abundant number, since it is smaller than the sum of its proper divisors (1561092784).

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

1270813264 is a wasteful number, since it uses less digits than its factorization.

1270813264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72443 (or 72437 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 1270813264 is about 35648.4679053673. The cubic root of 1270813264 is about 1083.1632409141.

Adding to 1270813264 its reverse (4623180721), we get a palindrome (5893993985).

The spelling of 1270813264 in words is "one billion, two hundred seventy million, eight hundred thirteen thousand, two hundred sixty-four".