130125121 has 8 divisors (see below), whose sum is σ = 148944704. Its totient is φ = 111363120.

The previous prime is 130125113. The next prime is 130125131. The reversal of 130125121 is 121521031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 130125121 - 2³ = 130125113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 130125095 and 130125104.

It is not an unprimeable number, because it can be changed into a prime (130125101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9435 + ... + 18688.

It is an arithmetic number, because the mean of its divisors is an integer number (18618088).

Almost surely, 2^130125121 is an apocalyptic number.

It is an amenable number.

130125121 is a deficient number, since it is larger than the sum of its proper divisors (18819583).

130125121 is an equidigital number, since it uses as much as digits as its factorization.

130125121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28791.

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 130125121 is about 11407.2398502004. The cubic root of 130125121 is about 506.7421722557.

Adding to 130125121 its reverse (121521031), we get a palindrome (251646152).

The spelling of 130125121 in words is "one hundred thirty million, one hundred twenty-five thousand, one hundred twenty-one".