1255319 has 8 divisors (see below), whose sum is σ = 1374912. Its totient is φ = 1139040.

The previous prime is 1255313. The next prime is 1255321. The reversal of 1255319 is 9135521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1255319 - 2⁸ = 1255063 is a prime.

It is a super-2 number, since 2×1255319² = 3151651583522, 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 (1255313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2 + ... + 1584.

It is an arithmetic number, because the mean of its divisors is an integer number (171864).

2^1255319 is an apocalyptic number.

1255319 is a deficient number, since it is larger than the sum of its proper divisors (119593).

1255319 is a wasteful number, since it uses less digits than its factorization.

1255319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1657.

The product of its digits is 1350, while the sum is 26.

The square root of 1255319 is about 1120.4101927419. The cubic root of 1255319 is about 107.8743107998.

The spelling of 1255319 in words is "one million, two hundred fifty-five thousand, three hundred nineteen".