130605122 has 6 divisors (see below), whose sum is σ = 195931929. Its totient is φ = 65294480.

The previous prime is 130605071. The next prime is 130605157. The reversal of 130605122 is 221506031.

It can be written as a sum of positive squares in 2 ways, for example, as 127215841 + 3389281 = 11279^2 + 1841^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=8081.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 130605094 and 130605103.

It is an unprimeable number.

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 2 ways as a sum of consecutive naturals, for example, 12122 + ... + 20202.

Almost surely, 2^130605122 is an apocalyptic number.

130605122 is a deficient number, since it is larger than the sum of its proper divisors (65326807).

130605122 is an frugal number, since it uses more digits than its factorization.

130605122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16164 (or 8083 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 130605122 is about 11428.2597975370. The cubic root of 130605122 is about 507.3644919582.

Subtracting 130605122 from its reverse (221506031), we obtain a palindrome (90900909).

The spelling of 130605122 in words is "one hundred thirty million, six hundred five thousand, one hundred twenty-two".