1270430872 has 16 divisors (see below), whose sum is σ = 2437455240. Its totient is φ = 620442816.

The previous prime is 1270430851. The next prime is 1270430873. The reversal of 1270430872 is 2780340721.

It is a super-2 number, since 2×1270430872² = 3227989201061360768, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1270430873) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1846213 + ... + 1846900.

Almost surely, 2^1270430872 is an apocalyptic number.

It is an amenable number.

1270430872 is a deficient number, since it is larger than the sum of its proper divisors (1167024368).

1270430872 is a wasteful number, since it uses less digits than its factorization.

1270430872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3693162 (or 3693158 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 34.

The square root of 1270430872 is about 35643.1041296911. The cubic root of 1270430872 is about 1083.0545875238.

The spelling of 1270430872 in words is "one billion, two hundred seventy million, four hundred thirty thousand, eight hundred seventy-two".