124305242 has 4 divisors (see below), whose sum is σ = 186457866. Its totient is φ = 62152620.

The previous prime is 124305211. The next prime is 124305263. The reversal of 124305242 is 242503421.

It is a happy number.

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., 124300201 + 5041 = 11149^2 + 71^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31076309 + ... + 31076312.

Almost surely, 2^124305242 is an apocalyptic number.

124305242 is a deficient number, since it is larger than the sum of its proper divisors (62152624).

124305242 is an equidigital number, since it uses as much as digits as its factorization.

124305242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62152623.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 124305242 is about 11149.2260717953. The cubic root of 124305242 is about 499.0719344545.

Adding to 124305242 its reverse (242503421), we get a palindrome (366808663).

The spelling of 124305242 in words is "one hundred twenty-four million, three hundred five thousand, two hundred forty-two".