130521117 has 4 divisors (see below), whose sum is σ = 174028160. Its totient is φ = 87014076.

The previous prime is 130521107. The next prime is 130521137. The reversal of 130521117 is 711125031.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 130521117 - 2¹² = 130517021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 130521093 and 130521102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130521107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21753517 + ... + 21753522.

It is an arithmetic number, because the mean of its divisors is an integer number (43507040).

Almost surely, 2^130521117 is an apocalyptic number.

It is an amenable number.

130521117 is a deficient number, since it is larger than the sum of its proper divisors (43507043).

130521117 is an equidigital number, since it uses as much as digits as its factorization.

130521117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43507042.

The product of its (nonzero) digits is 210, while the sum is 21.

The square root of 130521117 is about 11424.5838873895. The cubic root of 130521117 is about 507.2556899584.

Adding to 130521117 its reverse (711125031), we get a palindrome (841646148).

It can be divided in two parts, 1305 and 21117, that added together give a palindrome (22422).

The spelling of 130521117 in words is "one hundred thirty million, five hundred twenty-one thousand, one hundred seventeen".