130221185 has 4 divisors (see below), whose sum is σ = 156265428. Its totient is φ = 104176944.

The previous prime is 130221121. The next prime is 130221187. The reversal of 130221185 is 581122031.

It is a happy number.

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 66716224 + 63504961 = 8168^2 + 7969^2 .

It is a cyclic number.

It is not a de Polignac number, because 130221185 - 2⁶ = 130221121 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 130221185.

It is not an unprimeable number, because it can be changed into a prime (130221187) 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, 13022114 + ... + 13022123.

It is an arithmetic number, because the mean of its divisors is an integer number (39066357).

Almost surely, 2^130221185 is an apocalyptic number.

It is an amenable number.

130221185 is a deficient number, since it is larger than the sum of its proper divisors (26044243).

130221185 is an equidigital number, since it uses as much as digits as its factorization.

130221185 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26044242.

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 130221185 is about 11411.4497326150. The cubic root of 130221185 is about 506.8668412548.

The spelling of 130221185 in words is "one hundred thirty million, two hundred twenty-one thousand, one hundred eighty-five".