130441221 has 12 divisors (see below), whose sum is σ = 199498572. Its totient is φ = 81845376.

The previous prime is 130441189. The next prime is 130441229. The reversal of 130441221 is 122144031.

130441221 is a `hidden beast` number, since 1 + 3 + 0 + 441 + 221 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 111830625 + 18610596 = 10575^2 + 4314^2 .

It is not a de Polignac number, because 130441221 - 2⁵ = 130441189 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 130441194 and 130441203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130441229) 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 11 ways as a sum of consecutive naturals, for example, 426126 + ... + 426431.

It is an arithmetic number, because the mean of its divisors is an integer number (16624881).

Almost surely, 2^130441221 is an apocalyptic number.

It is an amenable number.

130441221 is a deficient number, since it is larger than the sum of its proper divisors (69057351).

130441221 is a wasteful number, since it uses less digits than its factorization.

130441221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 852580 (or 852577 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 130441221 is about 11421.0866820982. The cubic root of 130441221 is about 507.1521665496.

Adding to 130441221 its reverse (122144031), we get a palindrome (252585252).

The spelling of 130441221 in words is "one hundred thirty million, four hundred forty-one thousand, two hundred twenty-one".