42104003 has 2 divisors, whose sum is σ = 42104004. Its totient is φ = 42104002.

The previous prime is 42103987. The next prime is 42104011. The reversal of 42104003 is 30040124.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42104003 - 2⁴ = 42103987 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (42104033) 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 as a sum of consecutive naturals, namely, 21052001 + 21052002.

It is an arithmetic number, because the mean of its divisors is an integer number (21052002).

Almost surely, 2^42104003 is an apocalyptic number.

42104003 is a deficient number, since it is larger than the sum of its proper divisors (1).

42104003 is an equidigital number, since it uses as much as digits as its factorization.

42104003 is an odious number, because the sum of its binary digits is odd.

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

The square root of 42104003 is about 6488.7597428168. The cubic root of 42104003 is about 347.8893463976.

Adding to 42104003 its reverse (30040124), we get a palindrome (72144127).

The spelling of 42104003 in words is "forty-two million, one hundred four thousand, three".