130512727 has 4 divisors (see below), whose sum is σ = 134040136. Its totient is φ = 126985320.

The previous prime is 130512719. The next prime is 130512743. The reversal of 130512727 is 727215031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 727215031 = 1117 ⋅651043.

It is a cyclic number.

It is not a de Polignac number, because 130512727 - 2³ = 130512719 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 130512695 and 130512704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130512127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1763649 + ... + 1763722.

It is an arithmetic number, because the mean of its divisors is an integer number (33510034).

Almost surely, 2^130512727 is an apocalyptic number.

130512727 is a deficient number, since it is larger than the sum of its proper divisors (3527409).

130512727 is an equidigital number, since it uses as much as digits as its factorization.

130512727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3527408.

The product of its (nonzero) digits is 2940, while the sum is 28.

The square root of 130512727 is about 11424.2166908721. The cubic root of 130512727 is about 507.2448207940.

Adding to 130512727 its reverse (727215031), we get a palindrome (857727758).

The spelling of 130512727 in words is "one hundred thirty million, five hundred twelve thousand, seven hundred twenty-seven".