130333121 has 4 divisors (see below), whose sum is σ = 130384212. Its totient is φ = 130282032.

The previous prime is 130333117. The next prime is 130333123. The reversal of 130333121 is 121333031.

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

It can be written as a sum of positive squares in 2 ways, for example, as 79852096 + 50481025 = 8936^2 + 7105^2 .

It is a cyclic number.

It is not a de Polignac number, because 130333121 - 2² = 130333117 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 130333121.

It is not an unprimeable number, because it can be changed into a prime (130333123) 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, 21506 + ... + 26891.

It is an arithmetic number, because the mean of its divisors is an integer number (32596053).

Almost surely, 2^130333121 is an apocalyptic number.

It is an amenable number.

130333121 is a deficient number, since it is larger than the sum of its proper divisors (51091).

130333121 is an equidigital number, since it uses as much as digits as its factorization.

130333121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51090.

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 130333121 is about 11416.3532268409. The cubic root of 130333121 is about 507.0120311430.

Adding to 130333121 its reverse (121333031), we get a palindrome (251666152).

The spelling of 130333121 in words is "one hundred thirty million, three hundred thirty-three thousand, one hundred twenty-one".