117104161 has 2 divisors, whose sum is σ = 117104162. Its totient is φ = 117104160.

The previous prime is 117104129. The next prime is 117104173. The reversal of 117104161 is 161401711.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67486225 + 49617936 = 8215^2 + 7044^2 .

It is a cyclic number.

It is not a de Polignac number, because 117104161 - 2⁵ = 117104129 is a prime.

It is not a weakly prime, because it can be changed into another prime (117104111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58552080 + 58552081.

It is an arithmetic number, because the mean of its divisors is an integer number (58552081).

Almost surely, 2^117104161 is an apocalyptic number.

It is an amenable number.

117104161 is a deficient number, since it is larger than the sum of its proper divisors (1).

117104161 is an equidigital number, since it uses as much as digits as its factorization.

117104161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 168, while the sum is 22.

The square root of 117104161 is about 10821.4675991753. The cubic root of 117104161 is about 489.2424236701.

Adding to 117104161 its reverse (161401711), we get a palindrome (278505872).

The spelling of 117104161 in words is "one hundred seventeen million, one hundred four thousand, one hundred sixty-one".