117206571 has 8 divisors (see below), whose sum is σ = 156639744. Its totient is φ = 77955560.

The previous prime is 117206569. The next prime is 117206591. The reversal of 117206571 is 175602711.

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 117206571 - 2¹ = 117206569 is a prime.

It is a super-3 number, since 3×117206571³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (117206521) 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, 44031 + ... + 46616.

It is an arithmetic number, because the mean of its divisors is an integer number (19579968).

Almost surely, 2^117206571 is an apocalyptic number.

117206571 is a deficient number, since it is larger than the sum of its proper divisors (39433173).

117206571 is an equidigital number, since it uses as much as digits as its factorization.

117206571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91081.

The product of its (nonzero) digits is 2940, while the sum is 30.

The square root of 117206571 is about 10826.1983632298. The cubic root of 117206571 is about 489.3849996407.

The spelling of 117206571 in words is "one hundred seventeen million, two hundred six thousand, five hundred seventy-one".