117471841 has 2 divisors, whose sum is σ = 117471842. Its totient is φ = 117471840.

The previous prime is 117471839. The next prime is 117471859. The reversal of 117471841 is 148174711.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 64240225 + 53231616 = 8015^2 + 7296^2 .

It is a cyclic number.

It is not a de Polignac number, because 117471841 - 2¹ = 117471839 is a prime.

Together with 117471839, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 117471797 and 117471806.

It is not a weakly prime, because it can be changed into another prime (117471811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58735920 + 58735921.

It is an arithmetic number, because the mean of its divisors is an integer number (58735921).

Almost surely, 2^117471841 is an apocalyptic number.

It is an amenable number.

117471841 is a deficient number, since it is larger than the sum of its proper divisors (1).

117471841 is an equidigital number, since it uses as much as digits as its factorization.

117471841 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6272, while the sum is 34.

The square root of 117471841 is about 10838.4427386964. The cubic root of 117471841 is about 489.7539247563.

The spelling of 117471841 in words is "one hundred seventeen million, four hundred seventy-one thousand, eight hundred forty-one".