1255506 has 32 divisors (see below), whose sum is σ = 2903040. Its totient is φ = 354576.

The previous prime is 1255477. The next prime is 1255519. The reversal of 1255506 is 6055521.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6925 + ... + 7103.

It is an arithmetic number, because the mean of its divisors is an integer number (90720).

2^1255506 is an apocalyptic number.

1255506 is an abundant number, since it is smaller than the sum of its proper divisors (1647534).

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

1255506 is a wasteful number, since it uses less digits than its factorization.

1255506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358.

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 1255506 is about 1120.4936412136. The cubic root of 1255506 is about 107.8796670730.

The spelling of 1255506 in words is "one million, two hundred fifty-five thousand, five hundred six".