1256259 has 8 divisors (see below), whose sum is σ = 1706832. Its totient is φ = 821600.

The previous prime is 1256243. The next prime is 1256267. The reversal of 1256259 is 9526521.

It is a happy number.

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 1256259 - 2⁴ = 1256243 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1256209) 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, 3792 + ... + 4109.

It is an arithmetic number, because the mean of its divisors is an integer number (213354).

2^1256259 is an apocalyptic number.

1256259 is a deficient number, since it is larger than the sum of its proper divisors (450573).

1256259 is an equidigital number, since it uses as much as digits as its factorization.

1256259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7957.

The product of its digits is 5400, while the sum is 30.

The square root of 1256259 is about 1120.8296034634. The cubic root of 1256259 is about 107.9012300005.

It can be divided in two parts, 12562 and 59, that added together give a palindrome (12621).

The spelling of 1256259 in words is "one million, two hundred fifty-six thousand, two hundred fifty-nine".