122242 has 4 divisors (see below), whose sum is σ = 183366. Its totient is φ = 61120.

The previous prime is 122231. The next prime is 122251. The reversal of 122242 is 242221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 242221 = 7 ⋅34603.

It can be written as a sum of positive squares in only one way, i.e., 121801 + 441 = 349^2 + 21^2 .

It is a Smith number, since the sum of its digits (13) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30559 + ... + 30562.

2¹²²²⁴² is an apocalyptic number.

122242 is a deficient number, since it is larger than the sum of its proper divisors (61124).

122242 is an equidigital number, since it uses as much as digits as its factorization.

122242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61123.

The product of its digits is 64, while the sum is 13.

The square root of 122242 is about 349.6312343027. The cubic root of 122242 is about 49.6295284631.

Adding to 122242 its reverse (242221), we get a palindrome (364463).

The spelling of 122242 in words is "one hundred twenty-two thousand, two hundred forty-two", and thus it is an iban number.