130387221 has 12 divisors (see below), whose sum is σ = 189090720. Its totient is φ = 86577000.

The previous prime is 130387199. The next prime is 130387241. The reversal of 130387221 is 122783031.

It is not a de Polignac number, because 130387221 - 2¹⁰ = 130386197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130387241) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26601 + ... + 31118.

It is an arithmetic number, because the mean of its divisors is an integer number (15757560).

Almost surely, 2^130387221 is an apocalyptic number.

It is an amenable number.

130387221 is a deficient number, since it is larger than the sum of its proper divisors (58703499).

130387221 is a wasteful number, since it uses less digits than its factorization.

130387221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57976 (or 57973 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 130387221 is about 11418.7223891292. The cubic root of 130387221 is about 507.0821733456.

The spelling of 130387221 in words is "one hundred thirty million, three hundred eighty-seven thousand, two hundred twenty-one".