109108 has 6 divisors (see below), whose sum is σ = 190946. Its totient is φ = 54552.

The previous prime is 109103. The next prime is 109111. The reversal of 109108 is 801901.

It can be written as a sum of positive squares in only one way, i.e., 79524 + 29584 = 282^2 + 172^2 .

It is an Ulam number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13635 + ... + 13642.

2¹⁰⁹¹⁰⁸ is an apocalyptic number.

It is an amenable number.

109108 is a deficient number, since it is larger than the sum of its proper divisors (81838).

109108 is a wasteful number, since it uses less digits than its factorization.

109108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27281 (or 27279 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 19.

The square root of 109108 is about 330.3150011731. The cubic root of 109108 is about 47.7843333752.

The spelling of 109108 in words is "one hundred nine thousand, one hundred eight".