1244236 has 24 divisors (see below), whose sum is σ = 2557856. Its totient is φ = 518400.

The previous prime is 1244233. The next prime is 1244249. The reversal of 1244236 is 6324421.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1244233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 436 + ... + 1636.

2^1244236 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1244236, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1278928).

1244236 is an abundant number, since it is smaller than the sum of its proper divisors (1313620).

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

1244236 is a wasteful number, since it uses less digits than its factorization.

1244236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1249 (or 1247 counting only the distinct ones).

The product of its digits is 1152, while the sum is 22.

The square root of 1244236 is about 1115.4532710966. The cubic root of 1244236 is about 107.5559038597. Note that the first 3 decimals are identical.

Adding to 1244236 its reverse (6324421), we get a palindrome (7568657).

The spelling of 1244236 in words is "one million, two hundred forty-four thousand, two hundred thirty-six".