42104102 has 4 divisors (see below), whose sum is σ = 63156156. Its totient is φ = 21052050.

The previous prime is 42104071. The next prime is 42104119. The reversal of 42104102 is 20140124.

It is a semiprime because it is the product of two primes.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 10526024 + ... + 10526027.

It is an arithmetic number, because the mean of its divisors is an integer number (15789039).

Almost surely, 2^42104102 is an apocalyptic number.

42104102 is a deficient number, since it is larger than the sum of its proper divisors (21052054).

42104102 is a wasteful number, since it uses less digits than its factorization.

42104102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21052053.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 42104102 is about 6488.7673713888. The cubic root of 42104102 is about 347.8896190638.

Adding to 42104102 its reverse (20140124), we get a palindrome (62244226).

The spelling of 42104102 in words is "forty-two million, one hundred four thousand, one hundred two".