109615 has 8 divisors (see below), whose sum is σ = 143568. Its totient is φ = 79680.

The previous prime is 109609. The next prime is 109619. The reversal of 109615 is 516901.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 109615 - 2⁵ = 109583 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109619) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 942 + ... + 1051.

It is an arithmetic number, because the mean of its divisors is an integer number (17946).

2¹⁰⁹⁶¹⁵ is an apocalyptic number.

109615 is a deficient number, since it is larger than the sum of its proper divisors (33953).

109615 is a wasteful number, since it uses less digits than its factorization.

109615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2009.

The product of its (nonzero) digits is 270, while the sum is 22.

The square root of 109615 is about 331.0815609484. The cubic root of 109615 is about 47.8582333286.

It can be divided in two parts, 1096 and 15, that added together give a palindrome (1111).

The spelling of 109615 in words is "one hundred nine thousand, six hundred fifteen".