171104105 has 4 divisors (see below), whose sum is σ = 205324932. Its totient is φ = 136883280.

The previous prime is 171104081. The next prime is 171104117. The reversal of 171104105 is 501401171.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 501401171 = 37 ⋅13551383.

It can be written as a sum of positive squares in 2 ways, for example, as 25684624 + 145419481 = 5068^2 + 12059^2 .

It is a de Polignac number, because none of the positive numbers 2^k-171104105 is a prime.

It is a super-2 number, since 2×171104105² = 58553229495702050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17110406 + ... + 17110415.

It is an arithmetic number, because the mean of its divisors is an integer number (51331233).

Almost surely, 2^171104105 is an apocalyptic number.

It is an amenable number.

171104105 is a deficient number, since it is larger than the sum of its proper divisors (34220827).

171104105 is an equidigital number, since it uses as much as digits as its factorization.

171104105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34220826.

The product of its (nonzero) digits is 140, while the sum is 20.

The square root of 171104105 is about 13080.6767791273. The cubic root of 171104105 is about 555.1625257856.

Adding to 171104105 its reverse (501401171), we get a palindrome (672505276).

The spelling of 171104105 in words is "one hundred seventy-one million, one hundred four thousand, one hundred five".