104512161 has 64 divisors (see below), whose sum is σ = 166699008. Its totient is φ = 57708288.

The previous prime is 104512159. The next prime is 104512169. The reversal of 104512161 is 161215401.

It is not a de Polignac number, because 104512161 - 2¹ = 104512159 is a prime.

It is not an unprimeable number, because it can be changed into a prime (104512169) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1559850 + ... + 1559916.

It is an arithmetic number, because the mean of its divisors is an integer number (2604672).

Almost surely, 2^104512161 is an apocalyptic number.

It is an amenable number.

104512161 is a deficient number, since it is larger than the sum of its proper divisors (62186847).

104512161 is a wasteful number, since it uses less digits than its factorization.

104512161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190.

The product of its (nonzero) digits is 240, while the sum is 21.

The square root of 104512161 is about 10223.1189467794. The cubic root of 104512161 is about 471.0376365631.

Adding to 104512161 its reverse (161215401), we get a palindrome (265727562).

The spelling of 104512161 in words is "one hundred four million, five hundred twelve thousand, one hundred sixty-one".