1255469 has 4 divisors (see below), whose sum is σ = 1296000. Its totient is φ = 1214940.

The previous prime is 1255453. The next prime is 1255477. The reversal of 1255469 is 9645521.

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.

It is a cyclic number.

It is not a de Polignac number, because 1255469 - 2⁴ = 1255453 is a prime.

It is a super-2 number, since 2×1255469² = 3152404819922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1255069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20219 + ... + 20280.

It is an arithmetic number, because the mean of its divisors is an integer number (324000).

2^1255469 is an apocalyptic number.

It is an amenable number.

1255469 is a deficient number, since it is larger than the sum of its proper divisors (40531).

1255469 is an equidigital number, since it uses as much as digits as its factorization.

1255469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40530.

The product of its digits is 10800, while the sum is 32.

The square root of 1255469 is about 1120.4771305118. The cubic root of 1255469 is about 107.8786073178.

The spelling of 1255469 in words is "one million, two hundred fifty-five thousand, four hundred sixty-nine".