130023121 has 2 divisors, whose sum is σ = 130023122. Its totient is φ = 130023120.

The previous prime is 130023119. The next prime is 130023139. The reversal of 130023121 is 121320031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 127577025 + 2446096 = 11295^2 + 1564^2 .

It is a cyclic number.

It is not a de Polignac number, because 130023121 - 2¹ = 130023119 is a prime.

Together with 130023119, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (130023181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65011560 + 65011561.

It is an arithmetic number, because the mean of its divisors is an integer number (65011561).

Almost surely, 2^130023121 is an apocalyptic number.

It is an amenable number.

130023121 is a deficient number, since it is larger than the sum of its proper divisors (1).

130023121 is an equidigital number, since it uses as much as digits as its factorization.

130023121 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 130023121 is about 11402.7681288361. The cubic root of 130023121 is about 506.6097325126.

Adding to 130023121 its reverse (121320031), we get a palindrome (251343152).

The spelling of 130023121 in words is "one hundred thirty million, twenty-three thousand, one hundred twenty-one".