1272592 has 10 divisors (see below), whose sum is σ = 2465678. Its totient is φ = 636288.

The previous prime is 1272589. The next prime is 1272617. The reversal of 1272592 is 2952721.

It can be written as a sum of positive squares in only one way, i.e., 1263376 + 9216 = 1124^2 + 96^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1272592.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39753 + ... + 39784.

2^1272592 is an apocalyptic number.

It is an amenable number.

1272592 is a deficient number, since it is larger than the sum of its proper divisors (1193086).

1272592 is an equidigital number, since it uses as much as digits as its factorization.

1272592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79545 (or 79539 counting only the distinct ones).

The product of its digits is 2520, while the sum is 28.

The square root of 1272592 is about 1128.0921948139. The cubic root of 1272592 is about 108.3668367119.

The spelling of 1272592 in words is "one million, two hundred seventy-two thousand, five hundred ninety-two".