130171 has 2 divisors, whose sum is σ = 130172. Its totient is φ = 130170.
The previous prime is 130147. The next prime is 130183. The reversal of 130171 is 171031.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 130171 - 27 = 130043 is a prime.
It is a Chen prime.
It is an Ulam number.
130171 is a lucky number.
It is not a weakly prime, because it can be changed into another prime (130121) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65085 + 65086.
It is an arithmetic number, because the mean of its divisors is an integer number (65086).
2130171 is an apocalyptic number.
130171 is a deficient number, since it is larger than the sum of its proper divisors (1).
130171 is an equidigital number, since it uses as much as digits as its factorization.
130171 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 21, while the sum is 13.
The square root of 130171 is about 360.7921839508. The cubic root of 130171 is about 50.6801720307.
The spelling of 130171 in words is "one hundred thirty thousand, one hundred seventy-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.000 sec. • engine limits •