1244321304 has 16 divisors (see below), whose sum is σ = 3110803320. Its totient is φ = 414773760.

The previous prime is 1244321303. The next prime is 1244321311. The reversal of 1244321304 is 4031234421.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 51846721 = 1244321304 / (1 + 2 + 4 + 4 + 3 + 2 + 1 + 3 + 0 + 4).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1244321303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25923337 + ... + 25923384.

Almost surely, 2^1244321304 is an apocalyptic number.

It is an amenable number.

1244321304 is an abundant number, since it is smaller than the sum of its proper divisors (1866482016).

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

1244321304 is a wasteful number, since it uses less digits than its factorization.

1244321304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51846730 (or 51846726 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 1244321304 is about 35274.9387526045. The cubic root of 1244321304 is about 1075.5836179079.

Adding to 1244321304 its reverse (4031234421), we get a palindrome (5275555725).

The spelling of 1244321304 in words is "one billion, two hundred forty-four million, three hundred twenty-one thousand, three hundred four".