42004103 has 2 divisors, whose sum is σ = 42004104. Its totient is φ = 42004102.

The previous prime is 42004099. The next prime is 42004111. The reversal of 42004103 is 30140024.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42004103 - 2² = 42004099 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42004153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21002051 + 21002052.

It is an arithmetic number, because the mean of its divisors is an integer number (21002052).

Almost surely, 2^42004103 is an apocalyptic number.

42004103 is a deficient number, since it is larger than the sum of its proper divisors (1).

42004103 is an equidigital number, since it uses as much as digits as its factorization.

42004103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 42004103 is about 6481.0572439996. The cubic root of 42004103 is about 347.6139832767.

Adding to 42004103 its reverse (30140024), we get a palindrome (72144127).

The spelling of 42004103 in words is "forty-two million, four thousand, one hundred three".