42065119 has 2 divisors, whose sum is σ = 42065120. Its totient is φ = 42065118.

The previous prime is 42065099. The next prime is 42065203. The reversal of 42065119 is 91156024.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42065119 - 2⁵ = 42065087 is a prime.

It is a super-2 number, since 2×42065119² = 3538948472968322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42065819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21032559 + 21032560.

It is an arithmetic number, because the mean of its divisors is an integer number (21032560).

Almost surely, 2^42065119 is an apocalyptic number.

42065119 is a deficient number, since it is larger than the sum of its proper divisors (1).

42065119 is an equidigital number, since it uses as much as digits as its factorization.

42065119 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 42065119 is about 6485.7627924555. The cubic root of 42065119 is about 347.7822188500.

The spelling of 42065119 in words is "forty-two million, sixty-five thousand, one hundred nineteen".