1292872 has 16 divisors (see below), whose sum is σ = 2770560. Its totient is φ = 554064.

The previous prime is 1292857. The next prime is 1292887. The reversal of 1292872 is 2782921.

It is an interprime number because it is at equal distance from previous prime (1292857) and next prime (1292887).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11488 + ... + 11599.

It is an arithmetic number, because the mean of its divisors is an integer number (173160).

2^1292872 is an apocalyptic number.

It is an amenable number.

1292872 is an abundant number, since it is smaller than the sum of its proper divisors (1477688).

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

1292872 is a wasteful number, since it uses less digits than its factorization.

1292872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23100 (or 23096 counting only the distinct ones).

The product of its digits is 4032, while the sum is 31.

The square root of 1292872 is about 1137.0452937328. The cubic root of 1292872 is about 108.9394495784.

The spelling of 1292872 in words is "one million, two hundred ninety-two thousand, eight hundred seventy-two".