130502123 has 2 divisors, whose sum is σ = 130502124. Its totient is φ = 130502122.

The previous prime is 130502111. The next prime is 130502129. The reversal of 130502123 is 321205031.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 130502123 - 2⁴ = 130502107 is a prime.

It is not a weakly prime, because it can be changed into another prime (130502129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65251061 + 65251062.

It is an arithmetic number, because the mean of its divisors is an integer number (65251062).

Almost surely, 2^130502123 is an apocalyptic number.

130502123 is a deficient number, since it is larger than the sum of its proper divisors (1).

130502123 is an equidigital number, since it uses as much as digits as its factorization.

130502123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 130502123 is about 11423.7525796036. The cubic root of 130502123 is about 507.2310827474.

Adding to 130502123 its reverse (321205031), we get a palindrome (451707154).

The spelling of 130502123 in words is "one hundred thirty million, five hundred two thousand, one hundred twenty-three".