130042503 has 20 divisors (see below), whose sum is σ = 205690320. Its totient is φ = 81594432.

The previous prime is 130042501. The next prime is 130042513. The reversal of 130042503 is 305240031.

It is not a de Polignac number, because 130042503 - 2¹ = 130042501 is a prime.

It is a super-2 number, since 2×130042503² = 33822105173010018, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130042501) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 45843 + ... + 48596.

It is an arithmetic number, because the mean of its divisors is an integer number (10284516).

Almost surely, 2^130042503 is an apocalyptic number.

130042503 is a deficient number, since it is larger than the sum of its proper divisors (75647817).

130042503 is an equidigital number, since it uses as much as digits as its factorization.

130042503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94468 (or 94459 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 130042503 is about 11403.6179785189. The cubic root of 130042503 is about 506.6349039895.

Adding to 130042503 its reverse (305240031), we get a palindrome (435282534).

The spelling of 130042503 in words is "one hundred thirty million, forty-two thousand, five hundred three".