170101 has 2 divisors, whose sum is σ = 170102. Its totient is φ = 170100.

The previous prime is 170099. The next prime is 170111. The reversal of 170101 is 101071.

170101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (170111) can be obtained adding 170101 to its sum of digits (10).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 119025 + 51076 = 345^2 + 226^2 .

It is a cyclic number.

It is not a de Polignac number, because 170101 - 2¹ = 170099 is a prime.

Together with 170099, it forms a pair of twin primes.

It is a Chen prime.

170101 is a modest number, since divided by 101 gives 17 as remainder.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (170111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85050 + 85051.

It is an arithmetic number, because the mean of its divisors is an integer number (85051).

2¹⁷⁰¹⁰¹ is an apocalyptic number.

It is an amenable number.

170101 is a deficient number, since it is larger than the sum of its proper divisors (1).

170101 is an equidigital number, since it uses as much as digits as its factorization.

170101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7, while the sum is 10.

The square root of 170101 is about 412.4330248659. The cubic root of 170101 is about 55.4075510914.

Adding to 170101 its reverse (101071), we get a palindrome (271172).

The spelling of 170101 in words is "one hundred seventy thousand, one hundred one", and thus it is an iban number.