42118603 has 8 divisors (see below), whose sum is σ = 43532496. Its totient is φ = 40723200.

The previous prime is 42118577. The next prime is 42118621. The reversal of 42118603 is 30681124.

42118603 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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42118603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42118663) by changing a digit.

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, 88 + ... + 9178.

It is an arithmetic number, because the mean of its divisors is an integer number (5441562).

Almost surely, 2^42118603 is an apocalyptic number.

42118603 is a deficient number, since it is larger than the sum of its proper divisors (1413893).

42118603 is a wasteful number, since it uses less digits than its factorization.

42118603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9245.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 42118603 is about 6489.8846676963. The cubic root of 42118603 is about 347.9295531643.

Adding to 42118603 its reverse (30681124), we get a palindrome (72799727).

The spelling of 42118603 in words is "forty-two million, one hundred eighteen thousand, six hundred three".