1255342 has 16 divisors (see below), whose sum is σ = 2103552. Its totient is φ = 556920.

The previous prime is 1255337. The next prime is 1255357. The reversal of 1255342 is 2435521.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 283 + ... + 1609.

It is an arithmetic number, because the mean of its divisors is an integer number (131472).

2^1255342 is an apocalyptic number.

1255342 is a deficient number, since it is larger than the sum of its proper divisors (848210).

1255342 is a wasteful number, since it uses less digits than its factorization.

1255342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1383.

The product of its digits is 1200, while the sum is 22.

The square root of 1255342 is about 1120.4204567929. The cubic root of 1255342 is about 107.8749696214.

Subtracting from 1255342 its sum of digits (22), we obtain a triangular number (1255320 = T₁₅₈₄).

The spelling of 1255342 in words is "one million, two hundred fifty-five thousand, three hundred forty-two".