42104807 has 2 divisors, whose sum is σ = 42104808. Its totient is φ = 42104806.

The previous prime is 42104791. The next prime is 42104813. The reversal of 42104807 is 70840124.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42104807 - 2⁴ = 42104791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42104837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21052403 + 21052404.

It is an arithmetic number, because the mean of its divisors is an integer number (21052404).

Almost surely, 2^42104807 is an apocalyptic number.

42104807 is a deficient number, since it is larger than the sum of its proper divisors (1).

42104807 is an equidigital number, since it uses as much as digits as its factorization.

42104807 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1792, while the sum is 26.

The square root of 42104807 is about 6488.8216958089. The cubic root of 42104807 is about 347.8915607654.

The spelling of 42104807 in words is "forty-two million, one hundred four thousand, eight hundred seven".