117000261 has 32 divisors (see below), whose sum is σ = 200908800. Its totient is φ = 65908080.

The previous prime is 117000229. The next prime is 117000269. The reversal of 117000261 is 162000711.

It is not a de Polignac number, because 117000261 - 2⁵ = 117000229 is a prime.

It is a super-2 number, since 2×117000261² = 27378122148136242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117000269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9060 + ... + 17778.

It is an arithmetic number, because the mean of its divisors is an integer number (6278400).

Almost surely, 2^117000261 is an apocalyptic number.

It is an amenable number.

117000261 is a deficient number, since it is larger than the sum of its proper divisors (83908539).

117000261 is an equidigital number, since it uses as much as digits as its factorization.

117000261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8806 (or 8800 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 18.

The square root of 117000261 is about 10816.6658911145. The cubic root of 117000261 is about 489.0976883384.

Adding to 117000261 its reverse (162000711), we get a palindrome (279000972).

The spelling of 117000261 in words is "one hundred seventeen million, two hundred sixty-one", and thus it is an aban number.