1301321344 has 16 divisors (see below), whose sum is σ = 2592476370. Its totient is φ = 650660608.

The previous prime is 1301321323. The next prime is 1301321377. The reversal of 1301321344 is 4431231031.

It can be written as a sum of positive squares in only one way, i.e., 690638400 + 610682944 = 26280^2 + 24712^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 5083159 + ... + 5083414.

Almost surely, 2^1301321344 is an apocalyptic number.

It is an amenable number.

1301321344 is a deficient number, since it is larger than the sum of its proper divisors (1291155026).

1301321344 is an equidigital number, since it uses as much as digits as its factorization.

1301321344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10166587 (or 10166575 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 1301321344 is about 36073.8318452587. The cubic root of 1301321344 is about 1091.7625284763.

Adding to 1301321344 its reverse (4431231031), we get a palindrome (5732552375).

The spelling of 1301321344 in words is "one billion, three hundred one million, three hundred twenty-one thousand, three hundred forty-four".