117012305 has 8 divisors (see below), whose sum is σ = 141993000. Its totient is φ = 92557696.

The previous prime is 117012283. The next prime is 117012307. The reversal of 117012305 is 503210711.

It can be written as a sum of positive squares in 4 ways, for example, as 4631104 + 112381201 = 2152^2 + 10601^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-117012305 is a prime.

It is not an unprimeable number, because it can be changed into a prime (117012307) by changing a digit.

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, 131030 + ... + 131919.

It is an arithmetic number, because the mean of its divisors is an integer number (17749125).

Almost surely, 2^117012305 is an apocalyptic number.

It is an amenable number.

117012305 is a deficient number, since it is larger than the sum of its proper divisors (24980695).

117012305 is an equidigital number, since it uses as much as digits as its factorization.

117012305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263043.

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

The square root of 117012305 is about 10817.2226102637. Note that the first 3 decimals coincide. The cubic root of 117012305 is about 489.1144703250.

The spelling of 117012305 in words is "one hundred seventeen million, twelve thousand, three hundred five".