130503 has 8 divisors (see below), whose sum is σ = 178416. Its totient is φ = 84800.

The previous prime is 130489. The next prime is 130513. The reversal of 130503 is 305031.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 130503 - 2⁶ = 130439 is a prime.

130503 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130513) 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 7 ways as a sum of consecutive naturals, for example, 408 + ... + 653.

It is an arithmetic number, because the mean of its divisors is an integer number (22302).

2¹³⁰⁵⁰³ is an apocalyptic number.

130503 is a deficient number, since it is larger than the sum of its proper divisors (47913).

130503 is a wasteful number, since it uses less digits than its factorization.

130503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1105.

The product of its (nonzero) digits is 45, while the sum is 12.

The square root of 130503 is about 361.2519896139. The cubic root of 130503 is about 50.7232218976.

Adding to 130503 its reverse (305031), we get a palindrome (435534).

The spelling of 130503 in words is "one hundred thirty thousand, five hundred three".