130000121 has 8 divisors (see below), whose sum is σ = 131358720. Its totient is φ = 128647008.

The previous prime is 130000099. The next prime is 130000151. The reversal of 130000121 is 121000031.

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 130000121 - 2¹⁰ = 129999097 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 130000099 and 130000108.

It is not an unprimeable number, because it can be changed into a prime (130000151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59765 + ... + 61901.

It is an arithmetic number, because the mean of its divisors is an integer number (16419840).

Almost surely, 2^130000121 is an apocalyptic number.

It is an amenable number.

130000121 is a deficient number, since it is larger than the sum of its proper divisors (1358599).

130000121 is a wasteful number, since it uses less digits than its factorization.

130000121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2743.

The product of its (nonzero) digits is 6, while the sum is 8.

The square root of 130000121 is about 11401.7595571912. The cubic root of 130000121 is about 506.5798590796.

Adding to 130000121 its reverse (121000031), we get a palindrome (251000152).

The spelling of 130000121 in words is "one hundred thirty million, one hundred twenty-one", and thus it is an aban number.