1303042044 has 72 divisors (see below), whose sum is σ = 3240348160. Its totient is φ = 407464704.

The previous prime is 1303042019. The next prime is 1303042057. The reversal of 1303042044 is 4402403031.

It is a self number, because there is not a number n which added to its sum of digits gives 1303042044.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2104767 + ... + 2105385.

Almost surely, 2^1303042044 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 1303042044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1620174080).

1303042044 is an abundant number, since it is smaller than the sum of its proper divisors (1937306116).

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

1303042044 is a wasteful number, since it uses less digits than its factorization.

1303042044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1267 (or 1248 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 1303042044 is about 36097.6736646560. The cubic root of 1303042044 is about 1092.2435186623.

Adding to 1303042044 its reverse (4402403031), we get a palindrome (5705445075).

The spelling of 1303042044 in words is "one billion, three hundred three million, forty-two thousand, forty-four".