130404503 has 16 divisors (see below), whose sum is σ = 141635520. Its totient is φ = 119691264.

The previous prime is 130404481. The next prime is 130404517. The reversal of 130404503 is 305404031.

It is not a de Polignac number, because 130404503 - 2⁸ = 130404247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130404523) 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, 128225 + ... + 129237.

It is an arithmetic number, because the mean of its divisors is an integer number (8852220).

Almost surely, 2^130404503 is an apocalyptic number.

130404503 is a deficient number, since it is larger than the sum of its proper divisors (11231017).

130404503 is a wasteful number, since it uses less digits than its factorization.

130404503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1258.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 130404503 is about 11419.4791037070. The cubic root of 130404503 is about 507.1045758656.

Adding to 130404503 its reverse (305404031), we get a palindrome (435808534).

The spelling of 130404503 in words is "one hundred thirty million, four hundred four thousand, five hundred three".