42326121 has 4 divisors (see below), whose sum is σ = 56434832. Its totient is φ = 28217412.

The previous prime is 42326083. The next prime is 42326149. The reversal of 42326121 is 12162324.

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 not a de Polignac number, because 42326121 - 2¹⁰ = 42325097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42326621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7054351 + ... + 7054356.

It is an arithmetic number, because the mean of its divisors is an integer number (14108708).

Almost surely, 2^42326121 is an apocalyptic number.

It is an amenable number.

42326121 is a deficient number, since it is larger than the sum of its proper divisors (14108711).

42326121 is a wasteful number, since it uses less digits than its factorization.

42326121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14108710.

The product of its digits is 576, while the sum is 21.

The square root of 42326121 is about 6505.8528264940. The cubic root of 42326121 is about 348.5000325917.

Adding to 42326121 its reverse (12162324), we get a palindrome (54488445).

The spelling of 42326121 in words is "forty-two million, three hundred twenty-six thousand, one hundred twenty-one".