1250256 has 60 divisors (see below), whose sum is σ = 3752736. Its totient is φ = 351360.

The previous prime is 1250243. The next prime is 1250273. The reversal of 1250256 is 6520521.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20466 + ... + 20526.

2^1250256 is an apocalyptic number.

1250256 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 1250256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1876368).

1250256 is an abundant number, since it is smaller than the sum of its proper divisors (2502480).

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

1250256 is an equidigital number, since it uses as much as digits as its factorization.

1250256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140 (or 73 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 1250256 is about 1118.1484695692. The cubic root of 1250256 is about 107.7290878034.

Multiplying 1250256 by its sum of digits (21), we get a square (26255376 = 5124²).

1250256 divided by its sum of digits (21) gives a square (59536 = 244²).

Adding to 1250256 its reverse (6520521), we get a palindrome (7770777).

The spelling of 1250256 in words is "one million, two hundred fifty thousand, two hundred fifty-six".