117147 has 8 divisors (see below), whose sum is σ = 165456. Its totient is φ = 73472.

The previous prime is 117133. The next prime is 117163. The reversal of 117147 is 741711.

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 117147 - 2¹¹ = 115099 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 117147.

It is not an unprimeable number, because it can be changed into a prime (117127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1098 + ... + 1199.

It is an arithmetic number, because the mean of its divisors is an integer number (20682).

2¹¹⁷¹⁴⁷ is an apocalyptic number.

117147 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

117147 is a deficient number, since it is larger than the sum of its proper divisors (48309).

117147 is a wasteful number, since it uses less digits than its factorization.

117147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2317.

The product of its digits is 196, while the sum is 21.

The square root of 117147 is about 342.2674392927. The cubic root of 117147 is about 48.9302074557.

Adding to 117147 its reverse (741711), we get a palindrome (858858).

The spelling of 117147 in words is "one hundred seventeen thousand, one hundred forty-seven", and thus it is an iban number.