1255479 has 4 divisors (see below), whose sum is σ = 1673976. Its totient is φ = 836984.

The previous prime is 1255477. The next prime is 1255519. The reversal of 1255479 is 9745521.

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 1255479 - 2¹ = 1255477 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1255477) 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, 209244 + ... + 209249.

It is an arithmetic number, because the mean of its divisors is an integer number (418494).

2^1255479 is an apocalyptic number.

1255479 is a deficient number, since it is larger than the sum of its proper divisors (418497).

1255479 is an equidigital number, since it uses as much as digits as its factorization.

1255479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418496.

The product of its digits is 12600, while the sum is 33.

The square root of 1255479 is about 1120.4815928876. The cubic root of 1255479 is about 107.8788937402.

The spelling of 1255479 in words is "one million, two hundred fifty-five thousand, four hundred seventy-nine".