1255269 has 4 divisors (see below), whose sum is σ = 1673696. Its totient is φ = 836844.

The previous prime is 1255259. The next prime is 1255279. The reversal of 1255269 is 9625521.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9625521 = 3 ⋅3208507.

It is an interprime number because it is at equal distance from previous prime (1255259) and next prime (1255279).

It is not a de Polignac number, because 1255269 - 2⁴ = 1255253 is a prime.

It is a super-2 number, since 2×1255269² = 3151400524722, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1255249) 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 3 ways as a sum of consecutive naturals, for example, 209209 + ... + 209214.

It is an arithmetic number, because the mean of its divisors is an integer number (418424).

2^1255269 is an apocalyptic number.

It is an amenable number.

1255269 is a deficient number, since it is larger than the sum of its proper divisors (418427).

1255269 is an equidigital number, since it uses as much as digits as its factorization.

1255269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418426.

The product of its digits is 5400, while the sum is 30.

The square root of 1255269 is about 1120.3878792632. The cubic root of 1255269 is about 107.8728785511.

It can be divided in two parts, 12552 and 69, that added together give a palindrome (12621).

The spelling of 1255269 in words is "one million, two hundred fifty-five thousand, two hundred sixty-nine".