1255286 has 4 divisors (see below), whose sum is σ = 1882932. Its totient is φ = 627642.

The previous prime is 1255279. The next prime is 1255301. The reversal of 1255286 is 6825521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6825521 = 79 ⋅86399.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 313820 + ... + 313823.

It is an arithmetic number, because the mean of its divisors is an integer number (470733).

2^1255286 is an apocalyptic number.

1255286 is a deficient number, since it is larger than the sum of its proper divisors (627646).

1255286 is an equidigital number, since it uses as much as digits as its factorization.

1255286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627645.

The product of its digits is 4800, while the sum is 29.

The square root of 1255286 is about 1120.3954658959. The cubic root of 1255286 is about 107.8733655199.

The spelling of 1255286 in words is "one million, two hundred fifty-five thousand, two hundred eighty-six".