42204124 has 24 divisors (see below), whose sum is σ = 76301568. Its totient is φ = 20410560.

The previous prime is 42204121. The next prime is 42204133. The reversal of 42204124 is 42140224.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42204121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27522 + ... + 29014.

It is an arithmetic number, because the mean of its divisors is an integer number (3179232).

Almost surely, 2^42204124 is an apocalyptic number.

It is an amenable number.

42204124 is a deficient number, since it is larger than the sum of its proper divisors (34097444).

42204124 is a wasteful number, since it uses less digits than its factorization.

42204124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1725 (or 1723 counting only the distinct ones).

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

The square root of 42204124 is about 6496.4701184566. The cubic root of 42204124 is about 348.1648820112.

Adding to 42204124 its reverse (42140224), we get a palindrome (84344348).

The spelling of 42204124 in words is "forty-two million, two hundred four thousand, one hundred twenty-four".