42105003 has 8 divisors (see below), whose sum is σ = 56206848. Its totient is φ = 28036584.

The previous prime is 42104983. The next prime is 42105031. The reversal of 42105003 is 30050124.

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

It is not a de Polignac number, because 42105003 - 2⁶ = 42104939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42105053) 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, 5251 + ... + 10572.

It is an arithmetic number, because the mean of its divisors is an integer number (7025856).

Almost surely, 2^42105003 is an apocalyptic number.

42105003 is a deficient number, since it is larger than the sum of its proper divisors (14101845).

42105003 is a wasteful number, since it uses less digits than its factorization.

42105003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16713.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 42105003 is about 6488.8367986874. The cubic root of 42105003 is about 347.8921005822.

Adding to 42105003 its reverse (30050124), we get a palindrome (72155127).

The spelling of 42105003 in words is "forty-two million, one hundred five thousand, three".