130205047 has 16 divisors (see below), whose sum is σ = 158215680. Its totient is φ = 104730912.

The previous prime is 130205039. The next prime is 130205051. The reversal of 130205047 is 740502031.

It is a cyclic number.

It is not a de Polignac number, because 130205047 - 2³ = 130205039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130202047) 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, 904 + ... + 16162.

It is an arithmetic number, because the mean of its divisors is an integer number (9888480).

Almost surely, 2^130205047 is an apocalyptic number.

130205047 is a deficient number, since it is larger than the sum of its proper divisors (28010633).

130205047 is a wasteful number, since it uses less digits than its factorization.

130205047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15342.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 130205047 is about 11410.7426138705. The cubic root of 130205047 is about 506.8459021247.

Adding to 130205047 its reverse (740502031), we get a palindrome (870707078).

The spelling of 130205047 in words is "one hundred thirty million, two hundred five thousand, forty-seven".