130121113 has 8 divisors (see below), whose sum is σ = 134070536. Its totient is φ = 126230400.

The previous prime is 130121099. The next prime is 130121149. The reversal of 130121113 is 311121031.

It can be written as a sum of positive squares in 4 ways, for example, as 4613904 + 125507209 = 2148^2 + 11203^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-130121113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 130121093 and 130121102.

It is not an unprimeable number, because it can be changed into a prime (130121513) 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, 10158 + ... + 19063.

It is an arithmetic number, because the mean of its divisors is an integer number (16758817).

Almost surely, 2^130121113 is an apocalyptic number.

It is an amenable number.

130121113 is a deficient number, since it is larger than the sum of its proper divisors (3949423).

130121113 is an equidigital number, since it uses as much as digits as its factorization.

130121113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29355.

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 130121113 is about 11407.0641709425. The cubic root of 130121113 is about 506.7369694594.

Adding to 130121113 its reverse (311121031), we get a palindrome (441242144).

The spelling of 130121113 in words is "one hundred thirty million, one hundred twenty-one thousand, one hundred thirteen".