1252256 has 12 divisors (see below), whose sum is σ = 2465442. Its totient is φ = 626112.

The previous prime is 1252247. The next prime is 1252259. The reversal of 1252256 is 6522521.

It can be written as a sum of positive squares in only one way, i.e., 739600 + 512656 = 860^2 + 716^2 .

It is not an unprimeable number, because it can be changed into a prime (1252259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19535 + ... + 19598.

2^1252256 is an apocalyptic number.

1252256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1252256 is a deficient number, since it is larger than the sum of its proper divisors (1213186).

1252256 is an equidigital number, since it uses as much as digits as its factorization.

1252256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39143 (or 39135 counting only the distinct ones).

The product of its digits is 1200, while the sum is 23.

The square root of 1252256 is about 1119.0424478097. The cubic root of 1252256 is about 107.7865009492.

Adding to 1252256 its reverse (6522521), we get a palindrome (7774777).

The spelling of 1252256 in words is "one million, two hundred fifty-two thousand, two hundred fifty-six".