130123161 has 24 divisors (see below), whose sum is σ = 216066240. Its totient is φ = 73920096.

The previous prime is 130123141. The next prime is 130123171. The reversal of 130123161 is 161321031.

It is not a de Polignac number, because 130123161 - 2⁵ = 130123129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (130123141) 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 23 ways as a sum of consecutive naturals, for example, 4930 + ... + 16868.

It is an arithmetic number, because the mean of its divisors is an integer number (9002760).

Almost surely, 2^130123161 is an apocalyptic number.

It is an amenable number.

130123161 is a deficient number, since it is larger than the sum of its proper divisors (85943079).

130123161 is a wasteful number, since it uses less digits than its factorization.

130123161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12125 (or 12122 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 130123161 is about 11407.1539395241. The cubic root of 130123161 is about 506.7396279874.

Adding to 130123161 its reverse (161321031), we get a palindrome (291444192).

The spelling of 130123161 in words is "one hundred thirty million, one hundred twenty-three thousand, one hundred sixty-one".