126266 has 16 divisors (see below), whose sum is σ = 224640. Its totient is φ = 52080.

The previous prime is 126257. The next prime is 126271. The reversal of 126266 is 662621.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 251 + ... + 561.

It is an arithmetic number, because the mean of its divisors is an integer number (14040).

2¹²⁶²⁶⁶ is an apocalyptic number.

126266 is a deficient number, since it is larger than the sum of its proper divisors (98374).

126266 is a wasteful number, since it uses less digits than its factorization.

126266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349.

The product of its digits is 864, while the sum is 23.

The square root of 126266 is about 355.3392744969. The cubic root of 126266 is about 50.1682333162.

Adding to 126266 its reverse (662621), we get a palindrome (788887).

The spelling of 126266 in words is "one hundred twenty-six thousand, two hundred sixty-six".