117612305 has 8 divisors (see below), whose sum is σ = 141215400. Its totient is φ = 94036096.

The previous prime is 117612293. The next prime is 117612401. The reversal of 117612305 is 503216711.

It can be written as a sum of positive squares in 4 ways, for example, as 3400336 + 114211969 = 1844^2 + 10687^2 .

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 117612305 - 2⁴ = 117612289 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4661 + ... + 16029.

It is an arithmetic number, because the mean of its divisors is an integer number (17651925).

Almost surely, 2^117612305 is an apocalyptic number.

It is an amenable number.

117612305 is a deficient number, since it is larger than the sum of its proper divisors (23603095).

117612305 is a wasteful number, since it uses less digits than its factorization.

117612305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13443.

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 117612305 is about 10844.9207004938. The cubic root of 117612305 is about 489.9490506515.

The spelling of 117612305 in words is "one hundred seventeen million, six hundred twelve thousand, three hundred five".