1255429 has 6 divisors (see below), whose sum is σ = 1460454. Its totient is φ = 1076040.

The previous prime is 1255427. The next prime is 1255451. The reversal of 1255429 is 9245521.

It can be written as a sum of positive squares in only one way, i.e., 893025 + 362404 = 945^2 + 602^2 .

It is not a de Polignac number, because 1255429 - 2¹ = 1255427 is a prime.

It is a super-2 number, since 2×1255429² = 3152203948082, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1255397 and 1255406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1255421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12762 + ... + 12859.

It is an arithmetic number, because the mean of its divisors is an integer number (243409).

2^1255429 is an apocalyptic number.

It is an amenable number.

1255429 is a deficient number, since it is larger than the sum of its proper divisors (205025).

1255429 is an equidigital number, since it uses as much as digits as its factorization.

1255429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25635 (or 25628 counting only the distinct ones).

The product of its digits is 3600, while the sum is 28.

The square root of 1255429 is about 1120.4592808309. The cubic root of 1255429 is about 107.8774616132.

The spelling of 1255429 in words is "one million, two hundred fifty-five thousand, four hundred twenty-nine".