130512501 has 48 divisors (see below), whose sum is σ = 229132800. Its totient is φ = 69924384.

The previous prime is 130512493. The next prime is 130512517. The reversal of 130512501 is 105215031.

It is not a de Polignac number, because 130512501 - 2³ = 130512493 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130512581) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 127570 + ... + 128588.

It is an arithmetic number, because the mean of its divisors is an integer number (4773600).

Almost surely, 2^130512501 is an apocalyptic number.

It is an amenable number.

130512501 is a deficient number, since it is larger than the sum of its proper divisors (98620299).

130512501 is a wasteful number, since it uses less digits than its factorization.

130512501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1158 (or 1155 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

The square root of 130512501 is about 11424.2067995988. The cubic root of 130512501 is about 507.2445280067.

Adding to 130512501 its reverse (105215031), we get a palindrome (235727532).

The spelling of 130512501 in words is "one hundred thirty million, five hundred twelve thousand, five hundred one".