117000905 has 8 divisors (see below), whose sum is σ = 160458432. Its totient is φ = 80229168.

The previous prime is 117000901. The next prime is 117000937. The reversal of 117000905 is 509000711.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 117000905 - 2² = 117000901 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (117000901) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1671407 + ... + 1671476.

It is an arithmetic number, because the mean of its divisors is an integer number (20057304).

Almost surely, 2^117000905 is an apocalyptic number.

It is an amenable number.

117000905 is a deficient number, since it is larger than the sum of its proper divisors (43457527).

117000905 is an equidigital number, since it uses as much as digits as its factorization.

117000905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3342895.

The product of its (nonzero) digits is 315, while the sum is 23.

The square root of 117000905 is about 10816.6956599509. The cubic root of 117000905 is about 489.0985857105.

The spelling of 117000905 in words is "one hundred seventeen million, nine hundred five", and thus it is an aban number.