130105161 has 12 divisors (see below), whose sum is σ = 189192900. Its totient is φ = 86153760.

The previous prime is 130105159. The next prime is 130105163. The reversal of 130105161 is 161501031.

It is an interprime number because it is at equal distance from previous prime (130105159) and next prime (130105163).

It can be written as a sum of positive squares in 2 ways, for example, as 18147600 + 111957561 = 4260^2 + 10581^2 .

It is not a de Polignac number, because 130105161 - 2¹ = 130105159 is a prime.

It is not an unprimeable number, because it can be changed into a prime (130105163) 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, 47170 + ... + 49851.

It is an arithmetic number, because the mean of its divisors is an integer number (15766075).

Almost surely, 2^130105161 is an apocalyptic number.

It is an amenable number.

130105161 is a deficient number, since it is larger than the sum of its proper divisors (59087739).

130105161 is a wasteful number, since it uses less digits than its factorization.

130105161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97176 (or 97173 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 18.

The square root of 130105161 is about 11406.3649336675. The cubic root of 130105161 is about 506.7162610637.

Adding to 130105161 its reverse (161501031), we get a palindrome (291606192).

The spelling of 130105161 in words is "one hundred thirty million, one hundred five thousand, one hundred sixty-one".