130521227 has 2 divisors, whose sum is σ = 130521228. Its totient is φ = 130521226.

The previous prime is 130521197. The next prime is 130521247. The reversal of 130521227 is 722125031.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 130521227 - 2¹² = 130517131 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (130521247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65260613 + 65260614.

It is an arithmetic number, because the mean of its divisors is an integer number (65260614).

Almost surely, 2^130521227 is an apocalyptic number.

130521227 is a deficient number, since it is larger than the sum of its proper divisors (1).

130521227 is an equidigital number, since it uses as much as digits as its factorization.

130521227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 130521227 is about 11424.5887015682. The cubic root of 130521227 is about 507.2558324592.

Adding to 130521227 its reverse (722125031), we get a palindrome (852646258).

The spelling of 130521227 in words is "one hundred thirty million, five hundred twenty-one thousand, two hundred twenty-seven".