1255343 has 4 divisors (see below), whose sum is σ = 1276680. Its totient is φ = 1234008.

The previous prime is 1255337. The next prime is 1255357. The reversal of 1255343 is 3435521.

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

It is a cyclic number.

It is not a de Polignac number, because 1255343 - 2⁶ = 1255279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1255313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10580 + ... + 10697.

It is an arithmetic number, because the mean of its divisors is an integer number (319170).

2^1255343 is an apocalyptic number.

1255343 is a deficient number, since it is larger than the sum of its proper divisors (21337).

1255343 is an equidigital number, since it uses as much as digits as its factorization.

1255343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21336.

The product of its digits is 1800, while the sum is 23.

The square root of 1255343 is about 1120.4209030538. The cubic root of 1255343 is about 107.8749982657.

Subtracting from 1255343 its sum of digits (23), we obtain a triangular number (1255320 = T₁₅₈₄).

It can be divided in two parts, 12 and 55343, that added together give a palindrome (55355).

The spelling of 1255343 in words is "one million, two hundred fifty-five thousand, three hundred forty-three".