117641271 has 16 divisors (see below), whose sum is σ = 171296640. Its totient is φ = 71221920.

The previous prime is 117641267. The next prime is 117641299. The reversal of 117641271 is 172146711.

It is not a de Polignac number, because 117641271 - 2² = 117641267 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117641201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55825 + ... + 57893.

It is an arithmetic number, because the mean of its divisors is an integer number (10706040).

Almost surely, 2^117641271 is an apocalyptic number.

117641271 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

117641271 is a deficient number, since it is larger than the sum of its proper divisors (53655369).

117641271 is a wasteful number, since it uses less digits than its factorization.

117641271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3806.

The product of its digits is 2352, while the sum is 30.

The square root of 117641271 is about 10846.2560821696. The cubic root of 117641271 is about 489.9892695137.

Adding to 117641271 its reverse (172146711), we get a palindrome (289787982).

The spelling of 117641271 in words is "one hundred seventeen million, six hundred forty-one thousand, two hundred seventy-one".