42124304 has 20 divisors (see below), whose sum is σ = 81723564. Its totient is φ = 21034368.

The previous prime is 42124297. The next prime is 42124309. The reversal of 42124304 is 40342124.

It can be written as a sum of positive squares in 2 ways, for example, as 4326400 + 37797904 = 2080^2 + 6148^2 .

It is not an unprimeable number, because it can be changed into a prime (42124309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16694 + ... + 19050.

Almost surely, 2^42124304 is an apocalyptic number.

It is an amenable number.

42124304 is a deficient number, since it is larger than the sum of its proper divisors (39599260).

42124304 is a wasteful number, since it uses less digits than its factorization.

42124304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3482 (or 3476 counting only the distinct ones).

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

The square root of 42124304 is about 6490.3238748155. The cubic root of 42124304 is about 347.9452505581.

Adding to 42124304 its reverse (40342124), we get a palindrome (82466428).

The spelling of 42124304 in words is "forty-two million, one hundred twenty-four thousand, three hundred four".