124203242 has 4 divisors (see below), whose sum is σ = 186304866. Its totient is φ = 62101620.

The previous prime is 124203223. The next prime is 124203253. The reversal of 124203242 is 242302421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 242302421 = 19 ⋅12752759.

It can be written as a sum of positive squares in only one way, i.e., 112169281 + 12033961 = 10591^2 + 3469^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31050809 + ... + 31050812.

Almost surely, 2^124203242 is an apocalyptic number.

124203242 is a deficient number, since it is larger than the sum of its proper divisors (62101624).

124203242 is an equidigital number, since it uses as much as digits as its factorization.

124203242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62101623.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 124203242 is about 11144.6508244987. The cubic root of 124203242 is about 498.9353908234.

Adding to 124203242 its reverse (242302421), we get a palindrome (366505663).

The spelling of 124203242 in words is "one hundred twenty-four million, two hundred three thousand, two hundred forty-two".