1255873 has 4 divisors (see below), whose sum is σ = 1271088. Its totient is φ = 1240660.

The previous prime is 1255861. The next prime is 1255907. The reversal of 1255873 is 3785521.

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 1255873 - 2⁹ = 1255361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1252873) 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, 7483 + ... + 7648.

It is an arithmetic number, because the mean of its divisors is an integer number (317772).

2^1255873 is an apocalyptic number.

It is an amenable number.

1255873 is a deficient number, since it is larger than the sum of its proper divisors (15215).

1255873 is an equidigital number, since it uses as much as digits as its factorization.

1255873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15214.

The product of its digits is 8400, while the sum is 31.

The square root of 1255873 is about 1120.6573963527. The cubic root of 1255873 is about 107.8901775712.

The spelling of 1255873 in words is "one million, two hundred fifty-five thousand, eight hundred seventy-three".