42121424433241 has 8 divisors (see below), whose sum is σ = 42136687986120. Its totient is φ = 42106161385728.

The previous prime is 42121424433203. The next prime is 42121424433247. The reversal of 42121424433241 is 14233442412124.

It can be written as a sum of positive squares in 4 ways, for example, as 8218800254025 + 33902624179216 = 2866845^2 + 5822596^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 42121424433241 - 2¹¹ = 42121424431193 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42121424433241.

It is not an unprimeable number, because it can be changed into a prime (42121424433247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 267479515 + ... + 267636943.

It is an arithmetic number, because the mean of its divisors is an integer number (5267085998265).

Almost surely, 2^{42121424433241} is an apocalyptic number.

It is an amenable number.

42121424433241 is a deficient number, since it is larger than the sum of its proper divisors (15263552879).

42121424433241 is a wasteful number, since it uses less digits than its factorization.

42121424433241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252683.

The product of its digits is 147456, while the sum is 37.

Adding to 42121424433241 its reverse (14233442412124), we get a palindrome (56354866845365).

The spelling of 42121424433241 in words is "forty-two trillion, one hundred twenty-one billion, four hundred twenty-four million, four hundred thirty-three thousand, two hundred forty-one".