42004102 has 32 divisors (see below), whose sum is σ = 74638080. Its totient is φ = 17353440.

The previous prime is 42004099. The next prime is 42004103. The reversal of 42004102 is 20140024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42004103) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 67549 + ... + 68167.

It is an arithmetic number, because the mean of its divisors is an integer number (2332440).

Almost surely, 2^42004102 is an apocalyptic number.

42004102 is a deficient number, since it is larger than the sum of its proper divisors (32633978).

42004102 is a wasteful number, since it uses less digits than its factorization.

42004102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 796.

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

The square root of 42004102 is about 6481.0571668517. The cubic root of 42004102 is about 347.6139805181.

Adding to 42004102 its reverse (20140024), we get a palindrome (62144126).

The spelling of 42004102 in words is "forty-two million, four thousand, one hundred two".