124440242 has 8 divisors (see below), whose sum is σ = 186907932. Its totient is φ = 62137600.

The previous prime is 124440191. The next prime is 124440269. The reversal of 124440242 is 242044421.

It can be written as a sum of positive squares in 2 ways, for example, as 105247081 + 19193161 = 10259^2 + 4381^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39359 + ... + 42402.

Almost surely, 2^124440242 is an apocalyptic number.

124440242 is a deficient number, since it is larger than the sum of its proper divisors (62467690).

124440242 is an equidigital number, since it uses as much as digits as its factorization.

124440242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82524.

The product of its (nonzero) digits is 2048, while the sum is 23.

The square root of 124440242 is about 11155.2786607955. The cubic root of 124440242 is about 499.2525391614.

Adding to 124440242 its reverse (242044421), we get a palindrome (366484663).

The spelling of 124440242 in words is "one hundred twenty-four million, four hundred forty thousand, two hundred forty-two".