104009171 has 4 divisors (see below), whose sum is σ = 118867632. Its totient is φ = 89150712.

The previous prime is 104009117. The next prime is 104009189. The reversal of 104009171 is 171900401.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 104009171 - 2¹⁴ = 103992787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104009071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7429220 + ... + 7429233.

It is an arithmetic number, because the mean of its divisors is an integer number (29716908).

Almost surely, 2^104009171 is an apocalyptic number.

104009171 is a deficient number, since it is larger than the sum of its proper divisors (14858461).

104009171 is an equidigital number, since it uses as much as digits as its factorization.

104009171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14858460.

The product of its (nonzero) digits is 252, while the sum is 23.

The square root of 104009171 is about 10198.4886625421. The cubic root of 104009171 is about 470.2807602727.

Adding to 104009171 its reverse (171900401), we get a palindrome (275909572).

The spelling of 104009171 in words is "one hundred four million, nine thousand, one hundred seventy-one".