126271 has 2 divisors, whose sum is σ = 126272. Its totient is φ = 126270.

The previous prime is 126257. The next prime is 126307. The reversal of 126271 is 172621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 126271 - 2⁷ = 126143 is a prime.

It is equal to p₁₁₈₄₅ and since 126271 and 11845 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126211) 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, 63135 + 63136.

It is an arithmetic number, because the mean of its divisors is an integer number (63136).

2¹²⁶²⁷¹ is an apocalyptic number.

126271 is a deficient number, since it is larger than the sum of its proper divisors (1).

126271 is an equidigital number, since it uses as much as digits as its factorization.

126271 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 168, while the sum is 19.

The square root of 126271 is about 355.3463099569. The cubic root of 126271 is about 50.1688955104.

Adding to 126271 its reverse (172621), we get a palindrome (298892).

The spelling of 126271 in words is "one hundred twenty-six thousand, two hundred seventy-one".