126268271 has 2 divisors, whose sum is σ = 126268272. Its totient is φ = 126268270.

The previous prime is 126268223. The next prime is 126268277. The reversal of 126268271 is 172862621.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 126268271 - 2²² = 122073967 is a prime.

It is a super-2 number, since 2×126268271² = 31887352522658882, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126268277) 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, 63134135 + 63134136.

It is an arithmetic number, because the mean of its divisors is an integer number (63134136).

Almost surely, 2^126268271 is an apocalyptic number.

126268271 is a deficient number, since it is larger than the sum of its proper divisors (1).

126268271 is an equidigital number, since it uses as much as digits as its factorization.

126268271 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16128, while the sum is 35.

The square root of 126268271 is about 11236.9155465368. The cubic root of 126268271 is about 501.6853408696.

The spelling of 126268271 in words is "one hundred twenty-six million, two hundred sixty-eight thousand, two hundred seventy-one".