1292272 has 20 divisors (see below), whose sum is σ = 2651616. Its totient is φ = 608000.

The previous prime is 1292261. The next prime is 1292281. The reversal of 1292272 is 2722921.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2104 + ... + 2647.

2^1292272 is an apocalyptic number.

It is an amenable number.

1292272 is an abundant number, since it is smaller than the sum of its proper divisors (1359344).

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

1292272 is a wasteful number, since it uses less digits than its factorization.

1292272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4776 (or 4770 counting only the distinct ones).

The product of its digits is 1008, while the sum is 25.

The square root of 1292272 is about 1136.7814213823. The cubic root of 1292272 is about 108.9225946529.

It can be divided in two parts, 129 and 2272, that added together give a 4-th power (2401 = 7⁴).

The spelling of 1292272 in words is "one million, two hundred ninety-two thousand, two hundred seventy-two".