42032124 has 18 divisors (see below), whose sum is σ = 106247960. Its totient is φ = 14010696.

The previous prime is 42032099. The next prime is 42032129. The reversal of 42032124 is 42123024.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 42032097 and 42032106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42032129) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 583744 + ... + 583815.

Almost surely, 2^42032124 is an apocalyptic number.

It is an amenable number.

42032124 is an abundant number, since it is smaller than the sum of its proper divisors (64215836).

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

42032124 is a wasteful number, since it uses less digits than its factorization.

42032124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1167569 (or 1167564 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 42032124 is about 6483.2186450867. The cubic root of 42032124 is about 347.6912640308.

Adding to 42032124 its reverse (42123024), we get a palindrome (84155148).

The spelling of 42032124 in words is "forty-two million, thirty-two thousand, one hundred twenty-four".