117102305 has 8 divisors (see below), whose sum is σ = 141127272. Its totient is φ = 93278848.

The previous prime is 117102289. The next prime is 117102317. The reversal of 117102305 is 503201711.

It can be written as a sum of positive squares in 4 ways, for example, as 2676496 + 114425809 = 1636^2 + 10697^2 .

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 117102305 - 2⁴ = 117102289 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49094 + ... + 51423.

It is an arithmetic number, because the mean of its divisors is an integer number (17640909).

Almost surely, 2^117102305 is an apocalyptic number.

It is an amenable number.

117102305 is a deficient number, since it is larger than the sum of its proper divisors (24024967).

117102305 is a wasteful number, since it uses less digits than its factorization.

117102305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100755.

The product of its (nonzero) digits is 210, while the sum is 20.

The square root of 117102305 is about 10821.3818433692. The cubic root of 117102305 is about 489.2398389663.

The spelling of 117102305 in words is "one hundred seventeen million, one hundred two thousand, three hundred five".