404141121 has 18 divisors (see below), whose sum is σ = 599981382. Its totient is φ = 262137600.

The previous prime is 404141117. The next prime is 404141123. The reversal of 404141121 is 121141404.

404141121 is a `hidden beast` number, since 404 + 141 + 121 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 150185025 + 253956096 = 12255^2 + 15936^2 .

It is not a de Polignac number, because 404141121 - 2² = 404141117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 404141094 and 404141103.

It is not an unprimeable number, because it can be changed into a prime (404141123) 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 17 ways as a sum of consecutive naturals, for example, 4080 + ... + 28721.

It is an arithmetic number, because the mean of its divisors is an integer number (33332299).

Almost surely, 2^404141121 is an apocalyptic number.

It is an amenable number.

404141121 is a deficient number, since it is larger than the sum of its proper divisors (195840261).

404141121 is a wasteful number, since it uses less digits than its factorization.

404141121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32881 (or 32841 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 404141121 is about 20103.2614518142. The cubic root of 404141121 is about 739.3402452970.

Adding to 404141121 its reverse (121141404), we get a palindrome (525282525).

The spelling of 404141121 in words is "four hundred four million, one hundred forty-one thousand, one hundred twenty-one".