109017 has 6 divisors (see below), whose sum is σ = 157482. Its totient is φ = 72672.

The previous prime is 109013. The next prime is 109037. The reversal of 109017 is 710901.

It can be written as a sum of positive squares in only one way, i.e., 84681 + 24336 = 291^2 + 156^2 .

It is not a de Polignac number, because 109017 - 2² = 109013 is a prime.

It is a plaindrome in base 15.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 109017.

It is not an unprimeable number, because it can be changed into a prime (109013) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6048 + ... + 6065.

It is an arithmetic number, because the mean of its divisors is an integer number (26247).

2¹⁰⁹⁰¹⁷ is an apocalyptic number.

It is an amenable number.

109017 is a deficient number, since it is larger than the sum of its proper divisors (48465).

109017 is a wasteful number, since it uses less digits than its factorization.

109017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12119 (or 12116 counting only the distinct ones).

The product of its (nonzero) digits is 63, while the sum is 18.

The square root of 109017 is about 330.1772251383. The cubic root of 109017 is about 47.7710450621.

Adding to 109017 its reverse (710901), we get a palindrome (819918).

The spelling of 109017 in words is "one hundred nine thousand, seventeen".