117109087 has 2 divisors, whose sum is σ = 117109088. Its totient is φ = 117109086.

The previous prime is 117109061. The next prime is 117109121. The reversal of 117109087 is 780901711.

It is an a-pointer prime, because the next prime (117109121) can be obtained adding 117109087 to its sum of digits (34).

It is a weak prime.

It is an emirp because it is prime and its reverse (780901711) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 117109087 - 2¹⁵ = 117076319 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117109687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58554543 + 58554544.

It is an arithmetic number, because the mean of its divisors is an integer number (58554544).

Almost surely, 2^117109087 is an apocalyptic number.

117109087 is a deficient number, since it is larger than the sum of its proper divisors (1).

117109087 is an equidigital number, since it uses as much as digits as its factorization.

117109087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3528, while the sum is 34.

The square root of 117109087 is about 10821.6951999213. The cubic root of 117109087 is about 489.2492835869.

The spelling of 117109087 in words is "one hundred seventeen million, one hundred nine thousand, eighty-seven".