41020121 has 8 divisors (see below), whose sum is σ = 41798664. Its totient is φ = 40245120.

The previous prime is 41020103. The next prime is 41020127. The reversal of 41020121 is 12102014.

It can be written as a sum of positive squares in 4 ways, for example, as 5784025 + 35236096 = 2405^2 + 5936^2 .

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 41020121 - 2¹⁴ = 41003737 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (41020127) 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, 36845 + ... + 37941.

It is an arithmetic number, because the mean of its divisors is an integer number (5224833).

Almost surely, 2^41020121 is an apocalyptic number.

It is an amenable number.

41020121 is a deficient number, since it is larger than the sum of its proper divisors (778543).

41020121 is a wasteful number, since it uses less digits than its factorization.

41020121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1771.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 41020121 is about 6404.6952308443. The cubic root of 41020121 is about 344.8781226012.

Adding to 41020121 its reverse (12102014), we get a palindrome (53122135).

The spelling of 41020121 in words is "forty-one million, twenty thousand, one hundred twenty-one".