126207271 has 2 divisors, whose sum is σ = 126207272. Its totient is φ = 126207270.

The previous prime is 126207247. The next prime is 126207281. The reversal of 126207271 is 172702621.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 126207271 - 2¹¹ = 126205223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126207281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63103635 + 63103636.

It is an arithmetic number, because the mean of its divisors is an integer number (63103636).

Almost surely, 2^126207271 is an apocalyptic number.

126207271 is a deficient number, since it is larger than the sum of its proper divisors (1).

126207271 is an equidigital number, since it uses as much as digits as its factorization.

126207271 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2352, while the sum is 28.

The square root of 126207271 is about 11234.2009506685. The cubic root of 126207271 is about 501.6045400611.

Adding to 126207271 its reverse (172702621), we get a palindrome (298909892).

It can be divided in two parts, 12620 and 7271, that added together give a palindrome (19891).

The spelling of 126207271 in words is "one hundred twenty-six million, two hundred seven thousand, two hundred seventy-one".