104980081 has 2 divisors, whose sum is σ = 104980082. Its totient is φ = 104980080.

The previous prime is 104980069. The next prime is 104980097. The reversal of 104980081 is 180089401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 103856481 + 1123600 = 10191^2 + 1060^2 .

It is a cyclic number.

It is not a de Polignac number, because 104980081 - 2⁹ = 104979569 is a prime.

It is a super-2 number, since 2×104980081² = 22041634813533122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (104980021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52490040 + 52490041.

It is an arithmetic number, because the mean of its divisors is an integer number (52490041).

Almost surely, 2^104980081 is an apocalyptic number.

It is an amenable number.

104980081 is a deficient number, since it is larger than the sum of its proper divisors (1).

104980081 is an equidigital number, since it uses as much as digits as its factorization.

104980081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 31.

The square root of 104980081 is about 10245.9787721818. The cubic root of 104980081 is about 471.7395638446.

The spelling of 104980081 in words is "one hundred four million, nine hundred eighty thousand, eighty-one".