1244521304 has 32 divisors (see below), whose sum is σ = 2515275840. Its totient is φ = 573868800.

The previous prime is 1244521297. The next prime is 1244521361. The reversal of 1244521304 is 4031254421.

It is a super-2 number, since 2×1244521304² = 3097666552219720832, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

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, 123164 + ... + 132884.

It is an arithmetic number, because the mean of its divisors is an integer number (78602370).

Almost surely, 2^1244521304 is an apocalyptic number.

It is an amenable number.

1244521304 is an abundant number, since it is smaller than the sum of its proper divisors (1270754536).

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

1244521304 is a wasteful number, since it uses less digits than its factorization.

1244521304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10971 (or 10967 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 1244521304 is about 35277.7735125107. The cubic root of 1244521304 is about 1075.6412410739.

Adding to 1244521304 its reverse (4031254421), we get a palindrome (5275775725).

The spelling of 1244521304 in words is "one billion, two hundred forty-four million, five hundred twenty-one thousand, three hundred four".