41980121 has 2 divisors, whose sum is σ = 41980122. Its totient is φ = 41980120.

The previous prime is 41980117. The next prime is 41980171. The reversal of 41980121 is 12108914.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26925721 + 15054400 = 5189^2 + 3880^2 .

It is a cyclic number.

It is not a de Polignac number, because 41980121 - 2² = 41980117 is a prime.

It is not a weakly prime, because it can be changed into another prime (41980171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20990060 + 20990061.

It is an arithmetic number, because the mean of its divisors is an integer number (20990061).

Almost surely, 2^41980121 is an apocalyptic number.

It is an amenable number.

41980121 is a deficient number, since it is larger than the sum of its proper divisors (1).

41980121 is an equidigital number, since it uses as much as digits as its factorization.

41980121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 26.

The square root of 41980121 is about 6479.2068187395. The cubic root of 41980121 is about 347.5478146169.

The spelling of 41980121 in words is "forty-one million, nine hundred eighty thousand, one hundred twenty-one".