130421503 has 2 divisors, whose sum is σ = 130421504. Its totient is φ = 130421502.

The previous prime is 130421483. The next prime is 130421527. The reversal of 130421503 is 305124031.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-130421503 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130421573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65210751 + 65210752.

It is an arithmetic number, because the mean of its divisors is an integer number (65210752).

Almost surely, 2^130421503 is an apocalyptic number.

130421503 is a deficient number, since it is larger than the sum of its proper divisors (1).

130421503 is an equidigital number, since it uses as much as digits as its factorization.

130421503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 130421503 is about 11420.2234216323. The cubic root of 130421503 is about 507.1266109002.

Adding to 130421503 its reverse (305124031), we get a palindrome (435545534).

The spelling of 130421503 in words is "one hundred thirty million, four hundred twenty-one thousand, five hundred three".