130530221 has 12 divisors (see below), whose sum is σ = 137179392. Its totient is φ = 124190616.

The previous prime is 130530203. The next prime is 130530227. The reversal of 130530221 is 122035031.

It is not a de Polignac number, because 130530221 - 2⁶ = 130530157 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 130530221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130530227) 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 11 ways as a sum of consecutive naturals, for example, 119540 + ... + 120626.

It is an arithmetic number, because the mean of its divisors is an integer number (11431616).

Almost surely, 2^130530221 is an apocalyptic number.

It is an amenable number.

130530221 is a deficient number, since it is larger than the sum of its proper divisors (6649171).

130530221 is a wasteful number, since it uses less digits than its factorization.

130530221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1360 (or 1337 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 130530221 is about 11424.9823194612. The cubic root of 130530221 is about 507.2674835760.

Adding to 130530221 its reverse (122035031), we get a palindrome (252565252).

The spelling of 130530221 in words is "one hundred thirty million, five hundred thirty thousand, two hundred twenty-one".