1255238 has 4 divisors (see below), whose sum is σ = 1882860. Its totient is φ = 627618.

The previous prime is 1255237. The next prime is 1255249. The reversal of 1255238 is 8325521.

It is a semiprime because it is the product of two primes.

It is a super-3 number, since 3×1255238³ = 5933343468384423816, which contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1255237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 313808 + ... + 313811.

It is an arithmetic number, because the mean of its divisors is an integer number (470715).

2^1255238 is an apocalyptic number.

1255238 is a deficient number, since it is larger than the sum of its proper divisors (627622).

1255238 is an equidigital number, since it uses as much as digits as its factorization.

1255238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627621.

The product of its digits is 2400, while the sum is 26.

The square root of 1255238 is about 1120.3740446833. The cubic root of 1255238 is about 107.8719905377.

The spelling of 1255238 in words is "one million, two hundred fifty-five thousand, two hundred thirty-eight".