109206 has 12 divisors (see below), whose sum is σ = 236652. Its totient is φ = 36396.

The previous prime is 109201. The next prime is 109211. The reversal of 109206 is 602901.

It is an interprime number because it is at equal distance from previous prime (109201) and next prime (109211).

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 6067 = 109206 / (1 + 0 + 9 + 2 + 0 + 6).

It is a plaindrome in base 15.

It is a zygodrome in base 5.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 109206.

It is not an unprimeable number, because it can be changed into a prime (109201) 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, 3016 + ... + 3051.

It is an arithmetic number, because the mean of its divisors is an integer number (19721).

2¹⁰⁹²⁰⁶ is an apocalyptic number.

109206 is an abundant number, since it is smaller than the sum of its proper divisors (127446).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

109206 is a wasteful number, since it uses less digits than its factorization.

109206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6075 (or 6072 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 109206 is about 330.4633111255. The cubic root of 109206 is about 47.7986356059.

It can be divided in two parts, 10 and 9206, that added together give a square (9216 = 96²).

The spelling of 109206 in words is "one hundred nine thousand, two hundred six".