117147243 has 8 divisors (see below), whose sum is σ = 156546000. Its totient is φ = 77923328.

The previous prime is 117147241. The next prime is 117147253. The reversal of 117147243 is 342741711.

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 117147243 - 2¹ = 117147241 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 117147243.

It is not an unprimeable number, because it can be changed into a prime (117147241) 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, 42138 + ... + 44831.

It is an arithmetic number, because the mean of its divisors is an integer number (19568250).

Almost surely, 2^117147243 is an apocalyptic number.

117147243 is a deficient number, since it is larger than the sum of its proper divisors (39398757).

117147243 is an equidigital number, since it uses as much as digits as its factorization.

117147243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87421.

The product of its digits is 4704, while the sum is 30.

The square root of 117147243 is about 10823.4579964076. The cubic root of 117147243 is about 489.3024128788.

Adding to 117147243 its reverse (342741711), we get a palindrome (459888954).

The spelling of 117147243 in words is "one hundred seventeen million, one hundred forty-seven thousand, two hundred forty-three".