126646271 has 2 divisors, whose sum is σ = 126646272. Its totient is φ = 126646270.

The previous prime is 126646237. The next prime is 126646279. The reversal of 126646271 is 172646621.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 126646271 - 2²⁶ = 59537407 is a prime.

It is equal to p_7198514 and since 126646271 and 7198514 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 (126646279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63323135 + 63323136.

It is an arithmetic number, because the mean of its divisors is an integer number (63323136).

Almost surely, 2^126646271 is an apocalyptic number.

126646271 is a deficient number, since it is larger than the sum of its proper divisors (1).

126646271 is an equidigital number, since it uses as much as digits as its factorization.

126646271 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24192, while the sum is 35.

The square root of 126646271 is about 11253.7225396755. The cubic root of 126646271 is about 502.1854615975.

The spelling of 126646271 in words is "one hundred twenty-six million, six hundred forty-six thousand, two hundred seventy-one".