126422 has 4 divisors (see below), whose sum is σ = 189636. Its totient is φ = 63210.

The previous prime is 126421. The next prime is 126433. The reversal of 126422 is 224621.

126422 is nontrivially palindromic in base 6.

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

It is a self number, because there is not a number n which added to its sum of digits gives 126422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31604 + ... + 31607.

It is an arithmetic number, because the mean of its divisors is an integer number (47409).

2¹²⁶⁴²² is an apocalyptic number.

126422 is a deficient number, since it is larger than the sum of its proper divisors (63214).

126422 is an equidigital number, since it uses as much as digits as its factorization.

126422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63213.

The product of its digits is 192, while the sum is 17.

The square root of 126422 is about 355.5587152637. The cubic root of 126422 is about 50.1888855465.

The spelling of 126422 in words is "one hundred twenty-six thousand, four hundred twenty-two".