41121021 has 8 divisors (see below), whose sum is σ = 54921664. Its totient is φ = 27367200.

The previous prime is 41121019. The next prime is 41121037. The reversal of 41121021 is 12012114.

It is a happy number.

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

It is not a de Polignac number, because 41121021 - 2¹ = 41121019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 41120988 and 41121006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41121071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9601 + ... + 13206.

It is an arithmetic number, because the mean of its divisors is an integer number (6865208).

Almost surely, 2^41121021 is an apocalyptic number.

It is an amenable number.

41121021 is a deficient number, since it is larger than the sum of its proper divisors (13800643).

41121021 is a wasteful number, since it uses less digits than its factorization.

41121021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23411.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 41121021 is about 6412.5674265461. The cubic root of 41121021 is about 345.1606645083.

Adding to 41121021 its reverse (12012114), we get a palindrome (53133135).

The spelling of 41121021 in words is "forty-one million, one hundred twenty-one thousand, twenty-one".