126663211 has 2 divisors, whose sum is σ = 126663212. Its totient is φ = 126663210.

The previous prime is 126663203. The next prime is 126663233. The reversal of 126663211 is 112366621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 126663211 - 2³ = 126663203 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 126663211.

It is not a weakly prime, because it can be changed into another prime (126663011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63331605 + 63331606.

It is an arithmetic number, because the mean of its divisors is an integer number (63331606).

Almost surely, 2^126663211 is an apocalyptic number.

126663211 is a deficient number, since it is larger than the sum of its proper divisors (1).

126663211 is an equidigital number, since it uses as much as digits as its factorization.

126663211 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2592, while the sum is 28.

The square root of 126663211 is about 11254.4751543553. The cubic root of 126663211 is about 502.2078511038.

The spelling of 126663211 in words is "one hundred twenty-six million, six hundred sixty-three thousand, two hundred eleven".