124024042 has 4 divisors (see below), whose sum is σ = 186036066. Its totient is φ = 62012020.

The previous prime is 124024013. The next prime is 124024049. The reversal of 124024042 is 240420421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 240420421 = 397 ⋅605593.

It can be written as a sum of positive squares in only one way, i.e., 120099681 + 3924361 = 10959^2 + 1981^2 .

It is not an unprimeable number, because it can be changed into a prime (124024049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31006009 + ... + 31006012.

Almost surely, 2^124024042 is an apocalyptic number.

124024042 is a deficient number, since it is larger than the sum of its proper divisors (62012024).

124024042 is an equidigital number, since it uses as much as digits as its factorization.

124024042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62012023.

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 124024042 is about 11136.6081910068. The cubic root of 124024042 is about 498.6953212545.

Adding to 124024042 its reverse (240420421), we get a palindrome (364444463).

The spelling of 124024042 in words is "one hundred twenty-four million, twenty-four thousand, forty-two".