124423042 has 8 divisors (see below), whose sum is σ = 189694332. Its totient is φ = 61191600.

The previous prime is 124423007. The next prime is 124423049. The reversal of 124423042 is 240324421.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 119924401 + 4498641 = 10951^2 + 2121^2 .

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

It is not an unprimeable number, because it can be changed into a prime (124423049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 509809 + ... + 510052.

Almost surely, 2^124423042 is an apocalyptic number.

124423042 is a deficient number, since it is larger than the sum of its proper divisors (65271290).

124423042 is a wasteful number, since it uses less digits than its factorization.

124423042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1019924.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 124423042 is about 11154.5076986840. The cubic root of 124423042 is about 499.2295360471.

Adding to 124423042 its reverse (240324421), we get a palindrome (364747463).

The spelling of 124423042 in words is "one hundred twenty-four million, four hundred twenty-three thousand, forty-two".