126211211 has 12 divisors (see below), whose sum is σ = 148590792. Its totient is φ = 106874208.

The previous prime is 126211193. The next prime is 126211223. The reversal of 126211211 is 112112621.

It is not a de Polignac number, because 126211211 - 2⁶ = 126211147 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 126211211.

It is not an unprimeable number, because it can be changed into a prime (126211291) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11450 + ... + 19583.

It is an arithmetic number, because the mean of its divisors is an integer number (12382566).

Almost surely, 2^126211211 is an apocalyptic number.

126211211 is a deficient number, since it is larger than the sum of its proper divisors (22379581).

126211211 is an equidigital number, since it uses as much as digits as its factorization.

126211211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31130 (or 31123 counting only the distinct ones).

The product of its digits is 48, while the sum is 17.

The square root of 126211211 is about 11234.3763066759. The cubic root of 126211211 is about 501.6097597850.

Adding to 126211211 its reverse (112112621), we get a palindrome (238323832).

The spelling of 126211211 in words is "one hundred twenty-six million, two hundred eleven thousand, two hundred eleven".