42017201 has 12 divisors (see below), whose sum is σ = 44483712. Its totient is φ = 39667824.

The previous prime is 42017197. The next prime is 42017203. The reversal of 42017201 is 10271024.

It is not a de Polignac number, because 42017201 - 2² = 42017197 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 42017201.

It is not an unprimeable number, because it can be changed into a prime (42017203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38996 + ... + 40058.

It is an arithmetic number, because the mean of its divisors is an integer number (3706976).

Almost surely, 2^42017201 is an apocalyptic number.

It is an amenable number.

42017201 is a deficient number, since it is larger than the sum of its proper divisors (2466511).

42017201 is a wasteful number, since it uses less digits than its factorization.

42017201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1168 (or 1139 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 17.

The square root of 42017201 is about 6482.0676485208. The cubic root of 42017201 is about 347.6501112932.

Multiplying 42017201 by its sum of digits (17), we get a palindrome (714292417).

Adding to 42017201 its reverse (10271024), we get a palindrome (52288225).

The spelling of 42017201 in words is "forty-two million, seventeen thousand, two hundred one".