126136211 has 2 divisors, whose sum is σ = 126136212. Its totient is φ = 126136210.

The previous prime is 126136151. The next prime is 126136247. The reversal of 126136211 is 112631621.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 126136211 - 2⁶ = 126136147 is a prime.

It is not a weakly prime, because it can be changed into another prime (126136261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63068105 + 63068106.

It is an arithmetic number, because the mean of its divisors is an integer number (63068106).

Almost surely, 2^126136211 is an apocalyptic number.

126136211 is a deficient number, since it is larger than the sum of its proper divisors (1).

126136211 is an equidigital number, since it uses as much as digits as its factorization.

126136211 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 432, while the sum is 23.

The square root of 126136211 is about 11231.0378416244. The cubic root of 126136211 is about 501.5103809050.

Adding to 126136211 its reverse (112631621), we get a palindrome (238767832).

The spelling of 126136211 in words is "one hundred twenty-six million, one hundred thirty-six thousand, two hundred eleven".