42066107 has 2 divisors, whose sum is σ = 42066108. Its totient is φ = 42066106.

The previous prime is 42066091. The next prime is 42066119. The reversal of 42066107 is 70166024.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42066107 - 2⁴ = 42066091 is a prime.

It is equal to p_2551355 and since 42066107 and 2551355 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (42066307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21033053 + 21033054.

It is an arithmetic number, because the mean of its divisors is an integer number (21033054).

Almost surely, 2^42066107 is an apocalyptic number.

42066107 is a deficient number, since it is larger than the sum of its proper divisors (1).

42066107 is an equidigital number, since it uses as much as digits as its factorization.

42066107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 42066107 is about 6485.8389588395. The cubic root of 42066107 is about 347.7849416613.

The spelling of 42066107 in words is "forty-two million, sixty-six thousand, one hundred seven".