109503 has 12 divisors (see below), whose sum is σ = 165360.
Its totient is φ = 69828.
The previous prime is 109481. The next prime is 109507. The reversal of 109503 is 305901.
It is a powerful number, because all its prime factors have an exponent greater than 1
and also an Achilles number because it is not a perfect power.
It is not a de Polignac number, because 109503 - 25 = 109471 is a prime.
109503 is a Rhonda number in base 12.
It is a plaindrome in base 16.
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 109503.
It is not an unprimeable number, because it can be changed into a prime (109507) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4750 + ... + 4772.
It is an arithmetic number, because the mean of its divisors is an integer number (13780).
2109503 is an apocalyptic number.
109503 is a deficient number, since it is larger than the sum of its proper divisors (55857).
109503 is an frugal number, since it uses more digits than its factorization.
109503 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 75 (or 26 counting only the distinct ones).
The product of its (nonzero) digits is 135, while the sum is 18.
The square root of 109503 is about 330.9123751086.
The cubic root of 109503 is about 47.8419279302.
The spelling of 109503 in words is "one hundred nine thousand, five hundred three".