1244256 has 48 divisors (see below), whose sum is σ = 3520944. Its totient is φ = 382464.

The previous prime is 1244249. The next prime is 1244261. The reversal of 1244256 is 6524421.

It is a tau number, because it is divible by the number of its divisors (48).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 750 + ... + 1746.

It is an arithmetic number, because the mean of its divisors is an integer number (73353).

2^1244256 is an apocalyptic number.

1244256 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 1244256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1760472).

1244256 is an abundant number, since it is smaller than the sum of its proper divisors (2276688).

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

1244256 is a wasteful number, since it uses less digits than its factorization.

1244256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1023 (or 1015 counting only the distinct ones).

The product of its digits is 1920, while the sum is 24.

The square root of 1244256 is about 1115.4622360259. The cubic root of 1244256 is about 107.5564801455.

Adding to 1244256 its reverse (6524421), we get a palindrome (7768677).

The spelling of 1244256 in words is "one million, two hundred forty-four thousand, two hundred fifty-six".