130131123 has 4 divisors (see below), whose sum is σ = 173508168. Its totient is φ = 86754080.

The previous prime is 130131103. The next prime is 130131137. The reversal of 130131123 is 321131031.

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

It is a cyclic number.

It is not a de Polignac number, because 130131123 - 2¹⁶ = 130065587 is a prime.

It is a super-2 number, since 2×130131123² = 33868218346482258, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (130131103) 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, 21688518 + ... + 21688523.

It is an arithmetic number, because the mean of its divisors is an integer number (43377042).

Almost surely, 2^130131123 is an apocalyptic number.

130131123 is a deficient number, since it is larger than the sum of its proper divisors (43377045).

130131123 is an equidigital number, since it uses as much as digits as its factorization.

130131123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43377044.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 130131123 is about 11407.5029257064. The cubic root of 130131123 is about 506.7499632693.

Adding to 130131123 its reverse (321131031), we get a palindrome (451262154).

The spelling of 130131123 in words is "one hundred thirty million, one hundred thirty-one thousand, one hundred twenty-three".