170105117 has 24 divisors (see below), whose sum is σ = 215373816. Its totient is φ = 133152768.

The previous prime is 170105113. The next prime is 170105141. The reversal of 170105117 is 711501071.

It can be written as a sum of positive squares in 4 ways, for example, as 29658916 + 140446201 = 5446^2 + 11851^2 .

It is not a de Polignac number, because 170105117 - 2² = 170105113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 170105092 and 170105101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (170105113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 60413 + ... + 63165.

It is an arithmetic number, because the mean of its divisors is an integer number (8973909).

Almost surely, 2^170105117 is an apocalyptic number.

It is an amenable number.

170105117 is a deficient number, since it is larger than the sum of its proper divisors (45268699).

170105117 is a wasteful number, since it uses less digits than its factorization.

170105117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2877 (or 2870 counting only the distinct ones).

The product of its (nonzero) digits is 245, while the sum is 23.

The square root of 170105117 is about 13042.4352403989. The cubic root of 170105117 is about 554.0799810238.

Adding to 170105117 its reverse (711501071), we get a palindrome (881606188).

The spelling of 170105117 in words is "one hundred seventy million, one hundred five thousand, one hundred seventeen".