1255579 has 8 divisors (see below), whose sum is σ = 1375920. Its totient is φ = 1138656.

The previous prime is 1255567. The next prime is 1255591. The reversal of 1255579 is 9755521.

1255579 = T₂₃₄ + T₂₃₅ + ... + T₂₇₂.

It is an interprime number because it is at equal distance from previous prime (1255567) and next prime (1255591).

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 1255579 - 2⁷ = 1255451 is a prime.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (1255519) 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, 52 + ... + 1585.

It is an arithmetic number, because the mean of its divisors is an integer number (171990).

2^1255579 is an apocalyptic number.

1255579 is a deficient number, since it is larger than the sum of its proper divisors (120341).

1255579 is a wasteful number, since it uses less digits than its factorization.

1255579 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1709.

The product of its digits is 15750, while the sum is 34.

The square root of 1255579 is about 1120.5262156683. The cubic root of 1255579 is about 107.8817578802.

The spelling of 1255579 in words is "one million, two hundred fifty-five thousand, five hundred seventy-nine".