117109841 has 4 divisors (see below), whose sum is σ = 117526884. Its totient is φ = 116692800.

The previous prime is 117109819. The next prime is 117109843. The reversal of 117109841 is 148901711.

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 101586241 + 15523600 = 10079^2 + 3940^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-117109841 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 117109798 and 117109807.

It is not an unprimeable number, because it can be changed into a prime (117109843) 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, 208100 + ... + 208661.

It is an arithmetic number, because the mean of its divisors is an integer number (29381721).

Almost surely, 2^117109841 is an apocalyptic number.

It is an amenable number.

117109841 is a deficient number, since it is larger than the sum of its proper divisors (417043).

117109841 is an equidigital number, since it uses as much as digits as its factorization.

117109841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417042.

The product of its (nonzero) digits is 2016, while the sum is 32.

The square root of 117109841 is about 10821.7300372907. The cubic root of 117109841 is about 489.2503335856.

The spelling of 117109841 in words is "one hundred seventeen million, one hundred nine thousand, eight hundred forty-one".