103655 has 4 divisors (see below), whose sum is σ = 124392. Its totient is φ = 82920.

The previous prime is 103651. The next prime is 103657. The reversal of 103655 is 556301.

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

It is not a de Polignac number, because 103655 - 2² = 103651 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

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 103655.

It is not an unprimeable number, because it can be changed into a prime (103651) 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, 10361 + ... + 10370.

It is an arithmetic number, because the mean of its divisors is an integer number (31098).

2¹⁰³⁶⁵⁵ is an apocalyptic number.

103655 is a deficient number, since it is larger than the sum of its proper divisors (20737).

103655 is an equidigital number, since it uses as much as digits as its factorization.

103655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20736.

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 103655 is about 321.9549657949. The cubic root of 103655 is about 46.9746354765.

Adding to 103655 its reverse (556301), we get a palindrome (659956).

The spelling of 103655 in words is "one hundred three thousand, six hundred fifty-five".