126822 has 16 divisors (see below), whose sum is σ = 264960. Its totient is φ = 40392.

The previous prime is 126781. The next prime is 126823. The reversal of 126822 is 228621.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126823) by changing a digit.

126822 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 322 + ... + 597.

It is an arithmetic number, because the mean of its divisors is an integer number (16560).

2¹²⁶⁸²² is an apocalyptic number.

126822 is an abundant number, since it is smaller than the sum of its proper divisors (138138).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

126822 is a wasteful number, since it uses less digits than its factorization.

126822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 947.

The product of its digits is 384, while the sum is 21.

The square root of 126822 is about 356.1207660331. The cubic root of 126822 is about 50.2417624674.

The spelling of 126822 in words is "one hundred twenty-six thousand, eight hundred twenty-two".