126242 has 16 divisors (see below), whose sum is σ = 207360. Its totient is φ = 57408.

The previous prime is 126241. The next prime is 126257. The reversal of 126242 is 242621.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a plaindrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 126242.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1559 + ... + 1637.

It is an arithmetic number, because the mean of its divisors is an integer number (12960).

2¹²⁶²⁴² is an apocalyptic number.

126242 is a deficient number, since it is larger than the sum of its proper divisors (81118).

126242 is a wasteful number, since it uses less digits than its factorization.

126242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145.

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

The square root of 126242 is about 355.3055023497. The cubic root of 126242 is about 50.1650545404.

Adding to 126242 its reverse (242621), we get a palindrome (368863).

The spelling of 126242 in words is "one hundred twenty-six thousand, two hundred forty-two".