109759 has 4 divisors (see below), whose sum is σ = 118216. Its totient is φ = 101304.

The previous prime is 109751. The next prime is 109789. The reversal of 109759 is 957901.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 109759 - 2³ = 109751 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a nialpdrome in base 11.

It is a self number, because there is not a number n which added to its sum of digits gives 109759.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109751) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4209 + ... + 4234.

It is an arithmetic number, because the mean of its divisors is an integer number (29554).

2¹⁰⁹⁷⁵⁹ is an apocalyptic number.

109759 is a deficient number, since it is larger than the sum of its proper divisors (8457).

109759 is an equidigital number, since it uses as much as digits as its factorization.

109759 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8456.

The product of its (nonzero) digits is 2835, while the sum is 31.

The square root of 109759 is about 331.2989586461. The cubic root of 109759 is about 47.8791811004.

It can be divided in two parts, 1097 and 59, that added together give a square (1156 = 34²).

The spelling of 109759 in words is "one hundred nine thousand, seven hundred fifty-nine".