1255146 has 16 divisors (see below), whose sum is σ = 2558304. Its totient is φ = 410384.

The previous prime is 1255139. The next prime is 1255147. The reversal of 1255146 is 6415521.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1255147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1656 + ... + 2291.

It is an arithmetic number, because the mean of its divisors is an integer number (159894).

2^1255146 is an apocalyptic number.

1255146 is an abundant number, since it is smaller than the sum of its proper divisors (1303158).

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

1255146 is a wasteful number, since it uses less digits than its factorization.

1255146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4005.

The product of its digits is 1200, while the sum is 24.

The square root of 1255146 is about 1120.3329862144. The cubic root of 1255146 is about 107.8693550573.

The spelling of 1255146 in words is "one million, two hundred fifty-five thousand, one hundred forty-six".