1304301121 has 4 divisors (see below), whose sum is σ = 1308943044. Its totient is φ = 1299659200.

The previous prime is 1304301109. The next prime is 1304301133. The reversal of 1304301121 is 1211034031.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1304301109) and next prime (1304301133).

It can be written as a sum of positive squares in 2 ways, for example, as 437646400 + 866654721 = 20920^2 + 29439^2 .

It is a cyclic number.

It is not a de Polignac number, because 1304301121 - 2¹³ = 1304292929 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1304301095 and 1304301104.

It is not an unprimeable number, because it can be changed into a prime (1304301101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2320540 + ... + 2321101.

It is an arithmetic number, because the mean of its divisors is an integer number (327235761).

Almost surely, 2^1304301121 is an apocalyptic number.

It is an amenable number.

1304301121 is a deficient number, since it is larger than the sum of its proper divisors (4641923).

1304301121 is an equidigital number, since it uses as much as digits as its factorization.

1304301121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4641922.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1304301121 is about 36115.1093172927. The cubic root of 1304301121 is about 1092.5952023748.

Adding to 1304301121 its reverse (1211034031), we get a palindrome (2515335152).

The spelling of 1304301121 in words is "one billion, three hundred four million, three hundred one thousand, one hundred twenty-one".