130302121 has 2 divisors, whose sum is σ = 130302122. Its totient is φ = 130302120.

The previous prime is 130302113. The next prime is 130302157. The reversal of 130302121 is 121203031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67322025 + 62980096 = 8205^2 + 7936^2 .

It is a cyclic number.

It is not a de Polignac number, because 130302121 - 2³ = 130302113 is a prime.

It is not a weakly prime, because it can be changed into another prime (130302101) by changing a digit.

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, 65151060 + 65151061.

It is an arithmetic number, because the mean of its divisors is an integer number (65151061).

Almost surely, 2^130302121 is an apocalyptic number.

It is an amenable number.

130302121 is a deficient number, since it is larger than the sum of its proper divisors (1).

130302121 is an equidigital number, since it uses as much as digits as its factorization.

130302121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 130302121 is about 11414.9954445895. The cubic root of 130302121 is about 506.9718300052.

Adding to 130302121 its reverse (121203031), we get a palindrome (251505152).

It can be divided in two parts, 13030 and 2121, that added together give a palindrome (15151).

The spelling of 130302121 in words is "one hundred thirty million, three hundred two thousand, one hundred twenty-one".