42432124 has 24 divisors (see below), whose sum is σ = 85182048. Its totient is φ = 18117120.

The previous prime is 42432109. The next prime is 42432127. The reversal of 42432124 is 42123424.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 42432095 and 42432104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42432127) 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, 5172 + ... + 10564.

It is an arithmetic number, because the mean of its divisors is an integer number (3549252).

Almost surely, 2^42432124 is an apocalyptic number.

It is an amenable number.

42432124 is an abundant number, since it is smaller than the sum of its proper divisors (42749924).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42432124 is a wasteful number, since it uses less digits than its factorization.

42432124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5685 (or 5683 counting only the distinct ones).

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

The square root of 42432124 is about 6513.9944734395. The cubic root of 42432124 is about 348.7907218971.

Adding to 42432124 its reverse (42123424), we get a palindrome (84555548).

The spelling of 42432124 in words is "forty-two million, four hundred thirty-two thousand, one hundred twenty-four".