1310256 has 60 divisors (see below), whose sum is σ = 3813992. Its totient is φ = 435456.

The previous prime is 1310251. The next prime is 1310261. The reversal of 1310256 is 6520131.

It is an interprime number because it is at equal distance from previous prime (1310251) and next prime (1310261).

It is a hoax number, since the sum of its digits (18) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1310251) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3720 + ... + 4056.

2^1310256 is an apocalyptic number.

1310256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1310256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1906996).

1310256 is an abundant number, since it is smaller than the sum of its proper divisors (2503736).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1310256 is an equidigital number, since it uses as much as digits as its factorization.

1310256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360 (or 342 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 1310256 is about 1144.6641428821. The cubic root of 1310256 is about 109.4255451823.

Adding to 1310256 its reverse (6520131), we get a palindrome (7830387).

The spelling of 1310256 in words is "one million, three hundred ten thousand, two hundred fifty-six".