126206 has 4 divisors (see below), whose sum is σ = 189312. Its totient is φ = 63102.

The previous prime is 126199. The next prime is 126211. The reversal of 126206 is 602621.

126206 is nontrivially palindromic in base 6.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

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, 31550 + ... + 31553.

It is an arithmetic number, because the mean of its divisors is an integer number (47328).

2¹²⁶²⁰⁶ is an apocalyptic number.

126206 is a deficient number, since it is larger than the sum of its proper divisors (63106).

126206 is an equidigital number, since it uses as much as digits as its factorization.

126206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63105.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 126206 is about 355.2548381092. The cubic root of 126206 is about 50.1602856213.

Adding to 126206 its reverse (602621), we get a palindrome (728827).

The spelling of 126206 in words is "one hundred twenty-six thousand, two hundred six".