42065103 has 8 divisors (see below), whose sum is σ = 56141488. Its totient is φ = 28016064.

The previous prime is 42065099. The next prime is 42065119. The reversal of 42065103 is 30156024.

It is a happy number.

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

It is not a de Polignac number, because 42065103 - 2² = 42065099 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42065103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42065203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2926 + ... + 9627.

It is an arithmetic number, because the mean of its divisors is an integer number (7017686).

Almost surely, 2^42065103 is an apocalyptic number.

42065103 is a deficient number, since it is larger than the sum of its proper divisors (14076385).

42065103 is a wasteful number, since it uses less digits than its factorization.

42065103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13673.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 42065103 is about 6485.7615589844. The cubic root of 42065103 is about 347.7821747556.

The spelling of 42065103 in words is "forty-two million, sixty-five thousand, one hundred three".