42003132 has 12 divisors (see below), whose sum is σ = 98007336. Its totient is φ = 14001040.

The previous prime is 42003127. The next prime is 42003139. The reversal of 42003132 is 23130024.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42003139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1750119 + ... + 1750142.

It is an arithmetic number, because the mean of its divisors is an integer number (8167278).

Almost surely, 2^42003132 is an apocalyptic number.

It is an amenable number.

42003132 is an abundant number, since it is smaller than the sum of its proper divisors (56004204).

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

42003132 is a wasteful number, since it uses less digits than its factorization.

42003132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3500268 (or 3500266 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 42003132 is about 6480.9823329492. The cubic root of 42003132 is about 347.6113046830.

Adding to 42003132 its reverse (23130024), we get a palindrome (65133156).

The spelling of 42003132 in words is "forty-two million, three thousand, one hundred thirty-two".