1301040321 has 16 divisors (see below), whose sum is σ = 1985487744. Its totient is φ = 742345344.

The previous prime is 1301040313. The next prime is 1301040353. The reversal of 1301040321 is 1230401031.

It is not a de Polignac number, because 1301040321 - 2³ = 1301040313 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1301040321.

It is not an unprimeable number, because it can be changed into a prime (1301040421) 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 15 ways as a sum of consecutive naturals, for example, 31540 + ... + 59973.

It is an arithmetic number, because the mean of its divisors is an integer number (124092984).

Almost surely, 2^1301040321 is an apocalyptic number.

It is an amenable number.

1301040321 is a deficient number, since it is larger than the sum of its proper divisors (684447423).

1301040321 is an equidigital number, since it uses as much as digits as its factorization.

1301040321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92200.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1301040321 is about 36069.9365261432. The cubic root of 1301040321 is about 1091.6839333697.

Adding to 1301040321 its reverse (1230401031), we get a palindrome (2531441352).

The spelling of 1301040321 in words is "one billion, three hundred one million, forty thousand, three hundred twenty-one".