117130305 has 8 divisors (see below), whose sum is σ = 187408512. Its totient is φ = 62469488.

The previous prime is 117130303. The next prime is 117130337. The reversal of 117130305 is 503031711.

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 117130305 - 2¹ = 117130303 is a prime.

It is not an unprimeable number, because it can be changed into a prime (117130301) 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 7 ways as a sum of consecutive naturals, for example, 3904329 + ... + 3904358.

It is an arithmetic number, because the mean of its divisors is an integer number (23426064).

Almost surely, 2^117130305 is an apocalyptic number.

117130305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

117130305 is a deficient number, since it is larger than the sum of its proper divisors (70278207).

117130305 is an equidigital number, since it uses as much as digits as its factorization.

117130305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7808695.

The product of its (nonzero) digits is 315, while the sum is 21.

The square root of 117130305 is about 10822.6755010025. The cubic root of 117130305 is about 489.2788294422.

The spelling of 117130305 in words is "one hundred seventeen million, one hundred thirty thousand, three hundred five".