421106841 has 6 divisors (see below), whose sum is σ = 608265450. Its totient is φ = 280737888.

The previous prime is 421106831. The next prime is 421106843. The reversal of 421106841 is 148601124.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 414326025 + 6780816 = 20355^2 + 2604^2 .

It is not a de Polignac number, because 421106841 - 2¹¹ = 421104793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (421106843) 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 5 ways as a sum of consecutive naturals, for example, 23394816 + ... + 23394833.

It is an arithmetic number, because the mean of its divisors is an integer number (101377575).

Almost surely, 2^421106841 is an apocalyptic number.

It is an amenable number.

421106841 is a deficient number, since it is larger than the sum of its proper divisors (187158609).

421106841 is a wasteful number, since it uses less digits than its factorization.

421106841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46789655 (or 46789652 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 421106841 is about 20520.8879193859. The cubic root of 421106841 is about 749.5445181043.

Adding to 421106841 its reverse (148601124), we get a palindrome (569707965).

The spelling of 421106841 in words is "four hundred twenty-one million, one hundred six thousand, eight hundred forty-one".