104130161 has 2 divisors, whose sum is σ = 104130162. Its totient is φ = 104130160.

The previous prime is 104130157. The next prime is 104130163. The reversal of 104130161 is 161031401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52649536 + 51480625 = 7256^2 + 7175^2 .

It is a cyclic number.

It is not a de Polignac number, because 104130161 - 2² = 104130157 is a prime.

Together with 104130163, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (104130163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52065080 + 52065081.

It is an arithmetic number, because the mean of its divisors is an integer number (52065081).

Almost surely, 2^104130161 is an apocalyptic number.

It is an amenable number.

104130161 is a deficient number, since it is larger than the sum of its proper divisors (1).

104130161 is an equidigital number, since it uses as much as digits as its factorization.

104130161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 104130161 is about 10204.4186997594. The cubic root of 104130161 is about 470.4630429822.

Adding to 104130161 its reverse (161031401), we get a palindrome (265161562).

The spelling of 104130161 in words is "one hundred four million, one hundred thirty thousand, one hundred sixty-one".