42004101 has 8 divisors (see below), whose sum is σ = 57812224. Its totient is φ = 27099360.

The previous prime is 42004099. The next prime is 42004103. The reversal of 42004101 is 10140024.

It is an interprime number because it is at equal distance from previous prime (42004099) and next prime (42004103).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42004101 - 2¹ = 42004099 is a prime.

It is a Duffinian number.

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 7 ways as a sum of consecutive naturals, for example, 225736 + ... + 225921.

It is an arithmetic number, because the mean of its divisors is an integer number (7226528).

Almost surely, 2^42004101 is an apocalyptic number.

It is an amenable number.

42004101 is a deficient number, since it is larger than the sum of its proper divisors (15808123).

42004101 is a wasteful number, since it uses less digits than its factorization.

42004101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451691.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 42004101 is about 6481.0570897038. The cubic root of 42004101 is about 347.6139777595.

Adding to 42004101 its reverse (10140024), we get a palindrome (52144125).

The spelling of 42004101 in words is "forty-two million, four thousand, one hundred one".