42056203 has 16 divisors (see below), whose sum is σ = 49536000. Its totient is φ = 34961472.

The previous prime is 42056191. The next prime is 42056207. The reversal of 42056203 is 30265024.

It is a happy number.

It is not a de Polignac number, because 42056203 - 2⁵ = 42056171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42056207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31983 + ... + 33271.

It is an arithmetic number, because the mean of its divisors is an integer number (3096000).

Almost surely, 2^42056203 is an apocalyptic number.

42056203 is a deficient number, since it is larger than the sum of its proper divisors (7479797).

42056203 is a wasteful number, since it uses less digits than its factorization.

42056203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1434.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 42056203 is about 6485.0754043419. The cubic root of 42056203 is about 347.7576454787.

The spelling of 42056203 in words is "forty-two million, fifty-six thousand, two hundred three".