130123251 has 12 divisors (see below), whose sum is σ = 190068840. Its totient is φ = 85773600.

The previous prime is 130123247. The next prime is 130123271. The reversal of 130123251 is 152321031.

It is not a de Polignac number, because 130123251 - 2² = 130123247 is a prime.

It is not an unprimeable number, because it can be changed into a prime (130123211) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 80425 + ... + 82026.

It is an arithmetic number, because the mean of its divisors is an integer number (15839070).

Almost surely, 2^130123251 is an apocalyptic number.

130123251 is a deficient number, since it is larger than the sum of its proper divisors (59945589).

130123251 is a wasteful number, since it uses less digits than its factorization.

130123251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162546 (or 162543 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 130123251 is about 11407.1578844163. The cubic root of 130123251 is about 506.7397448166.

Adding to 130123251 its reverse (152321031), we get a palindrome (282444282).

The spelling of 130123251 in words is "one hundred thirty million, one hundred twenty-three thousand, two hundred fifty-one".