1253256 has 32 divisors (see below), whose sum is σ = 3177600. Its totient is φ = 411840.

The previous prime is 1253251. The next prime is 1253261. The reversal of 1253256 is 6523521.

It is an interprime number because it is at equal distance from previous prime (1253251) and next prime (1253261).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (1253251) 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, 1566 + ... + 2226.

It is an arithmetic number, because the mean of its divisors is an integer number (99300).

2^1253256 is an apocalyptic number.

It is an amenable number.

1253256 is an abundant number, since it is smaller than the sum of its proper divisors (1924344).

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

1253256 is a wasteful number, since it uses less digits than its factorization.

1253256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 749 (or 745 counting only the distinct ones).

The product of its digits is 1800, while the sum is 24.

The square root of 1253256 is about 1119.4891692196. The cubic root of 1253256 is about 107.8151846002.

Adding to 1253256 its reverse (6523521), we get a palindrome (7776777).

The spelling of 1253256 in words is "one million, two hundred fifty-three thousand, two hundred fifty-six".