109003 has 4 divisors (see below), whose sum is σ = 114760. Its totient is φ = 103248.

The previous prime is 109001. The next prime is 109013. The reversal of 109003 is 300901.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 300901 = 239 ⋅1259.

It is a cyclic number.

It is not a de Polignac number, because 109003 - 2¹ = 109001 is a prime.

109003 is a lucky number.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (109001) 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, 2850 + ... + 2887.

It is an arithmetic number, because the mean of its divisors is an integer number (28690).

2¹⁰⁹⁰⁰³ is an apocalyptic number.

109003 is a deficient number, since it is larger than the sum of its proper divisors (5757).

109003 is an equidigital number, since it uses as much as digits as its factorization.

109003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5756.

The product of its (nonzero) digits is 27, while the sum is 13.

The square root of 109003 is about 330.1560237221. The cubic root of 109003 is about 47.7690000500.

Adding to 109003 its reverse (300901), we get a palindrome (409904).

The spelling of 109003 in words is "one hundred nine thousand, three".