141721271 has 2 divisors, whose sum is σ = 141721272. Its totient is φ = 141721270.

The previous prime is 141721267. The next prime is 141721273. The reversal of 141721271 is 172127141.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 141721271 - 2² = 141721267 is a prime.

Together with 141721273, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p_8003762 and since 141721271 and 8003762 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 141721271.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (141721273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70860635 + 70860636.

It is an arithmetic number, because the mean of its divisors is an integer number (70860636).

Almost surely, 2^141721271 is an apocalyptic number.

141721271 is a deficient number, since it is larger than the sum of its proper divisors (1).

141721271 is an equidigital number, since it uses as much as digits as its factorization.

141721271 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 784, while the sum is 26.

The square root of 141721271 is about 11904.6743340589. The cubic root of 141721271 is about 521.3687693902.

The spelling of 141721271 in words is "one hundred forty-one million, seven hundred twenty-one thousand, two hundred seventy-one".