130204503 has 56 divisors (see below), whose sum is σ = 229530000. Its totient is φ = 72783360.

The previous prime is 130204499. The next prime is 130204537. The reversal of 130204503 is 305402031.

It is not a de Polignac number, because 130204503 - 2² = 130204499 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130204553) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 103623 + ... + 104871.

It is an arithmetic number, because the mean of its divisors is an integer number (4098750).

Almost surely, 2^130204503 is an apocalyptic number.

130204503 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

130204503 is a deficient number, since it is larger than the sum of its proper divisors (99325497).

130204503 is a wasteful number, since it uses less digits than its factorization.

130204503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1291 (or 1276 counting only the distinct ones).

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

The square root of 130204503 is about 11410.7187766591. The cubic root of 130204503 is about 506.8451962520.

Adding to 130204503 its reverse (305402031), we get a palindrome (435606534).

The spelling of 130204503 in words is "one hundred thirty million, two hundred four thousand, five hundred three".