126032213 has 2 divisors, whose sum is σ = 126032214. Its totient is φ = 126032212.

The previous prime is 126032167. The next prime is 126032219. The reversal of 126032213 is 312230621.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 108534724 + 17497489 = 10418^2 + 4183^2 .

It is a cyclic number.

It is not a de Polignac number, because 126032213 - 2¹⁰ = 126031189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126032219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63016106 + 63016107.

It is an arithmetic number, because the mean of its divisors is an integer number (63016107).

Almost surely, 2^126032213 is an apocalyptic number.

It is an amenable number.

126032213 is a deficient number, since it is larger than the sum of its proper divisors (1).

126032213 is an equidigital number, since it uses as much as digits as its factorization.

126032213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 126032213 is about 11226.4069496879. The cubic root of 126032213 is about 501.3725129689.

Adding to 126032213 its reverse (312230621), we get a palindrome (438262834).

The spelling of 126032213 in words is "one hundred twenty-six million, thirty-two thousand, two hundred thirteen".