42190201 has 4 divisors (see below), whose sum is σ = 42249600. Its totient is φ = 42130804.

The previous prime is 42190199. The next prime is 42190217. The reversal of 42190201 is 10209124.

42190201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42190201 - 2¹ = 42190199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42190231) 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 3 ways as a sum of consecutive naturals, for example, 28621 + ... + 30058.

It is an arithmetic number, because the mean of its divisors is an integer number (10562400).

Almost surely, 2^42190201 is an apocalyptic number.

It is an amenable number.

42190201 is a deficient number, since it is larger than the sum of its proper divisors (59399).

42190201 is an equidigital number, since it uses as much as digits as its factorization.

42190201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59398.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 42190201 is about 6495.3984481323. The cubic root of 42190201 is about 348.1265916551.

Adding to 42190201 its reverse (10209124), we get a palindrome (52399325).

The spelling of 42190201 in words is "forty-two million, one hundred ninety thousand, two hundred one".