124122242 has 4 divisors (see below), whose sum is σ = 186183366. Its totient is φ = 62061120.

The previous prime is 124122241. The next prime is 124122263. The reversal of 124122242 is 242221421.

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., 124121881 + 361 = 11141^2 + 19^2 .

It is not an unprimeable number, because it can be changed into a prime (124122241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31030559 + ... + 31030562.

Almost surely, 2^124122242 is an apocalyptic number.

124122242 is a deficient number, since it is larger than the sum of its proper divisors (62061124).

124122242 is an equidigital number, since it uses as much as digits as its factorization.

124122242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62061123.

The product of its digits is 512, while the sum is 20.

The square root of 124122242 is about 11141.0162014064. The cubic root of 124122242 is about 498.8269058527.

Adding to 124122242 its reverse (242221421), we get a palindrome (366343663).

The spelling of 124122242 in words is "one hundred twenty-four million, one hundred twenty-two thousand, two hundred forty-two".