242122 has 4 divisors (see below), whose sum is σ = 363186. Its totient is φ = 121060.

The previous prime is 242119. The next prime is 242129. The reversal of 242122 is 221242.

242122 is nontrivially palindromic in base 14.

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

It can be written as a sum of positive squares in only one way, i.e., 184041 + 58081 = 429^2 + 241^2 .

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 not an unprimeable number, because it can be changed into a prime (242129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60529 + ... + 60532.

2²⁴²¹²² is an apocalyptic number.

242122 is a deficient number, since it is larger than the sum of its proper divisors (121064).

242122 is a wasteful number, since it uses less digits than its factorization.

242122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121063.

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

The square root of 242122 is about 492.0589395591. The cubic root of 242122 is about 62.3272670531.

Adding to 242122 its reverse (221242), we get a palindrome (463364).

It can be divided in two parts, 2 and 42122, that added together give a palindrome (42124).

The spelling of 242122 in words is "two hundred forty-two thousand, one hundred twenty-two", and thus it is an iban number.