42056115 has 8 divisors (see below), whose sum is σ = 67289808. Its totient is φ = 22429920.

The previous prime is 42056093. The next prime is 42056143. The reversal of 42056115 is 51165024.

42056115 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42056115 - 2¹⁵ = 42023347 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 1401856 + ... + 1401885.

It is an arithmetic number, because the mean of its divisors is an integer number (8411226).

Almost surely, 2^42056115 is an apocalyptic number.

42056115 is a deficient number, since it is larger than the sum of its proper divisors (25233693).

42056115 is a wasteful number, since it uses less digits than its factorization.

42056115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2803749.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 42056115 is about 6485.0686195290. The cubic root of 42056115 is about 347.7574029247.

The spelling of 42056115 in words is "forty-two million, fifty-six thousand, one hundred fifteen".