42344121 has 8 divisors (see below), whose sum is σ = 57772000. Its totient is φ = 27572832.

The previous prime is 42344119. The next prime is 42344129. The reversal of 42344121 is 12144324.

42344121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 42344121 - 2¹ = 42344119 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42344129) 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 7 ways as a sum of consecutive naturals, for example, 163996 + ... + 164253.

It is an arithmetic number, because the mean of its divisors is an integer number (7221500).

Almost surely, 2^42344121 is an apocalyptic number.

It is an amenable number.

42344121 is a deficient number, since it is larger than the sum of its proper divisors (15427879).

42344121 is a wasteful number, since it uses less digits than its factorization.

42344121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328295.

The product of its digits is 768, while the sum is 21.

The square root of 42344121 is about 6507.2360491994. The cubic root of 42344121 is about 348.5494277123.

Adding to 42344121 its reverse (12144324), we get a palindrome (54488445).

It can be divided in two parts, 423 and 44121, that added together give a palindrome (44544).

The spelling of 42344121 in words is "forty-two million, three hundred forty-four thousand, one hundred twenty-one".