41120561 has 2 divisors, whose sum is σ = 41120562. Its totient is φ = 41120560.

The previous prime is 41120551. The next prime is 41120591. The reversal of 41120561 is 16502114.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40246336 + 874225 = 6344^2 + 935^2 .

It is a cyclic number.

It is not a de Polignac number, because 41120561 - 2¹⁴ = 41104177 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (41120551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20560280 + 20560281.

It is an arithmetic number, because the mean of its divisors is an integer number (20560281).

Almost surely, 2^41120561 is an apocalyptic number.

It is an amenable number.

41120561 is a deficient number, since it is larger than the sum of its proper divisors (1).

41120561 is an equidigital number, since it uses as much as digits as its factorization.

41120561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 41120561 is about 6412.5315593765. The cubic root of 41120561 is about 345.1593774578.

Adding to 41120561 its reverse (16502114), we get a palindrome (57622675).

The spelling of 41120561 in words is "forty-one million, one hundred twenty thousand, five hundred sixty-one".