42217103 has 8 divisors (see below), whose sum is σ = 44780688. Its totient is φ = 39662464.

The previous prime is 42217081. The next prime is 42217157. The reversal of 42217103 is 30171224.

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

It is a cyclic number.

It is not a de Polignac number, because 42217103 - 2⁶ = 42217039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42217603) 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, 9200 + ... + 13002.

It is an arithmetic number, because the mean of its divisors is an integer number (5597586).

Almost surely, 2^42217103 is an apocalyptic number.

42217103 is a deficient number, since it is larger than the sum of its proper divisors (2563585).

42217103 is a wasteful number, since it uses less digits than its factorization.

42217103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4473.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 42217103 is about 6497.4689687601. The cubic root of 42217103 is about 348.2005686411.

Adding to 42217103 its reverse (30171224), we get a palindrome (72388327).

The spelling of 42217103 in words is "forty-two million, two hundred seventeen thousand, one hundred three".