42201123 has 8 divisors (see below), whose sum is σ = 59578128. Its totient is φ = 26479104.

The previous prime is 42201097. The next prime is 42201139. The reversal of 42201123 is 32110224.

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

It is not a de Polignac number, because 42201123 - 2⁶ = 42201059 is a prime.

It is a super-2 number, since 2×42201123² = 3561869564922258, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42201163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 413686 + ... + 413787.

It is an arithmetic number, because the mean of its divisors is an integer number (7447266).

Almost surely, 2^42201123 is an apocalyptic number.

42201123 is a deficient number, since it is larger than the sum of its proper divisors (17377005).

42201123 is a wasteful number, since it uses less digits than its factorization.

42201123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 827493.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 42201123 is about 6496.2391427656. The cubic root of 42201123 is about 348.1566295193.

Adding to 42201123 its reverse (32110224), we get a palindrome (74311347).

It can be divided in two parts, 42201 and 123, that added together give a palindrome (42324).

The spelling of 42201123 in words is "forty-two million, two hundred one thousand, one hundred twenty-three".