104681161 has 4 divisors (see below), whose sum is σ = 112733572. Its totient is φ = 96628752.

The previous prime is 104681153. The next prime is 104681209. The reversal of 104681161 is 161186401.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4280761 + 100400400 = 2069^2 + 10020^2 .

It is a cyclic number.

It is not a de Polignac number, because 104681161 - 2³ = 104681153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104681131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4026186 + ... + 4026211.

It is an arithmetic number, because the mean of its divisors is an integer number (28183393).

Almost surely, 2^104681161 is an apocalyptic number.

It is an amenable number.

104681161 is a deficient number, since it is larger than the sum of its proper divisors (8052411).

104681161 is an equidigital number, since it uses as much as digits as its factorization.

104681161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8052410.

The product of its (nonzero) digits is 1152, while the sum is 28.

The square root of 104681161 is about 10231.3811873080. The cubic root of 104681161 is about 471.2913948820.

The spelling of 104681161 in words is "one hundred four million, six hundred eighty-one thousand, one hundred sixty-one".