126342213 has 16 divisors (see below), whose sum is σ = 174098496. Its totient is φ = 81446400.

The previous prime is 126342179. The next prime is 126342217. The reversal of 126342213 is 312243621.

It is not a de Polignac number, because 126342213 - 2⁶ = 126342149 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126342217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8181 + ... + 17877.

It is an arithmetic number, because the mean of its divisors is an integer number (10881156).

Almost surely, 2^126342213 is an apocalyptic number.

It is an amenable number.

126342213 is a deficient number, since it is larger than the sum of its proper divisors (47756283).

126342213 is a wasteful number, since it uses less digits than its factorization.

126342213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9844.

The product of its digits is 1728, while the sum is 24.

The square root of 126342213 is about 11240.2052027532. The cubic root of 126342213 is about 501.7832498126.

Adding to 126342213 its reverse (312243621), we get a palindrome (438585834).

The spelling of 126342213 in words is "one hundred twenty-six million, three hundred forty-two thousand, two hundred thirteen".