130220121 has 8 divisors (see below), whose sum is σ = 179614080. Its totient is φ = 83819792.

The previous prime is 130220117. The next prime is 130220143. The reversal of 130220121 is 121022031.

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 130220121 - 2² = 130220117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 130220097 and 130220106.

It is not an unprimeable number, because it can be changed into a prime (130220191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 748305 + ... + 748478.

It is an arithmetic number, because the mean of its divisors is an integer number (22451760).

Almost surely, 2^130220121 is an apocalyptic number.

It is an amenable number.

130220121 is a deficient number, since it is larger than the sum of its proper divisors (49393959).

130220121 is a wasteful number, since it uses less digits than its factorization.

130220121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1496815.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 130220121 is about 11411.4031126764. The cubic root of 130220121 is about 506.8654607631.

Adding to 130220121 its reverse (121022031), we get a palindrome (251242152).

The spelling of 130220121 in words is "one hundred thirty million, two hundred twenty thousand, one hundred twenty-one".