42002122 has 16 divisors (see below), whose sum is σ = 67939200. Its totient is φ = 19409760.

The previous prime is 42002119. The next prime is 42002143. The reversal of 42002122 is 22120024.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11922 + ... + 15037.

It is an arithmetic number, because the mean of its divisors is an integer number (4246200).

Almost surely, 2^42002122 is an apocalyptic number.

42002122 is a deficient number, since it is larger than the sum of its proper divisors (25937078).

42002122 is a wasteful number, since it uses less digits than its factorization.

42002122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27021.

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 42002122 is about 6480.9044121943. The cubic root of 42002122 is about 347.6085184603.

Adding to 42002122 its reverse (22120024), we get a palindrome (64122146).

It can be divided in two parts, 42002 and 122, that added together give a palindrome (42124).

The spelling of 42002122 in words is "forty-two million, two thousand, one hundred twenty-two".