130603503 has 16 divisors (see below), whose sum is σ = 184813056. Its totient is φ = 81755520.

The previous prime is 130603493. The next prime is 130603507. The reversal of 130603503 is 305306031.

It is not a de Polignac number, because 130603503 - 2²⁰ = 129554927 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 130603503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130603507) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20848 + ... + 26378.

It is an arithmetic number, because the mean of its divisors is an integer number (11550816).

Almost surely, 2^130603503 is an apocalyptic number.

130603503 is a deficient number, since it is larger than the sum of its proper divisors (54209553).

130603503 is a wasteful number, since it uses less digits than its factorization.

130603503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6014.

The product of its (nonzero) digits is 810, while the sum is 21.

The square root of 130603503 is about 11428.1889641360. The cubic root of 130603503 is about 507.3623954949.

Adding to 130603503 its reverse (305306031), we get a palindrome (435909534).

The spelling of 130603503 in words is "one hundred thirty million, six hundred three thousand, five hundred three".