42012095 has 4 divisors (see below), whose sum is σ = 50414520. Its totient is φ = 33609672.

The previous prime is 42012079. The next prime is 42012107. The reversal of 42012095 is 59021024.

42012095 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42012095 - 2⁴ = 42012079 is a prime.

It is a super-2 number, since 2×42012095² = 3530032252578050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 42012095.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4201205 + ... + 4201214.

It is an arithmetic number, because the mean of its divisors is an integer number (12603630).

Almost surely, 2^42012095 is an apocalyptic number.

42012095 is a deficient number, since it is larger than the sum of its proper divisors (8402425).

42012095 is an equidigital number, since it uses as much as digits as its factorization.

42012095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8402424.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 42012095 is about 6481.6737807452. The cubic root of 42012095 is about 347.6360283832.

The spelling of 42012095 in words is "forty-two million, twelve thousand, ninety-five".