1244005244 has 12 divisors (see below), whose sum is σ = 2183588568. Its totient is φ = 620122800.

The previous prime is 1244005223. The next prime is 1244005261. The reversal of 1244005244 is 4425004421.

It is a congruent number.

It is an unprimeable number.

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, 468467 + ... + 471114.

It is an arithmetic number, because the mean of its divisors is an integer number (181965714).

Almost surely, 2^1244005244 is an apocalyptic number.

It is an amenable number.

1244005244 is a deficient number, since it is larger than the sum of its proper divisors (939583324).

1244005244 is a wasteful number, since it uses less digits than its factorization.

1244005244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 939916 (or 939914 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 26.

The square root of 1244005244 is about 35270.4585170083. The cubic root of 1244005244 is about 1075.4925434285.

Adding to 1244005244 its reverse (4425004421), we get a palindrome (5669009665).

The spelling of 1244005244 in words is "one billion, two hundred forty-four million, five thousand, two hundred forty-four".