1255492 has 12 divisors (see below), whose sum is σ = 2511040. Its totient is φ = 538056.

The previous prime is 1255477. The next prime is 1255519. The reversal of 1255492 is 2945521.

1255492 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 44839 = 1255492 / (1 + 2 + 5 + 5 + 4 + 9 + 2).

It is a self number, because there is not a number n which added to its sum of digits gives 1255492.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22392 + ... + 22447.

2^1255492 is an apocalyptic number.

It is an amenable number.

1255492 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1255492 is a wasteful number, since it uses less digits than its factorization.

1255492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44850 (or 44848 counting only the distinct ones).

The product of its digits is 3600, while the sum is 28.

The square root of 1255492 is about 1120.4873939496. The cubic root of 1255492 is about 107.8792660870.

The spelling of 1255492 in words is "one million, two hundred fifty-five thousand, four hundred ninety-two".