117216143 has 16 divisors (see below), whose sum is σ = 129965472. Its totient is φ = 104832000.

The previous prime is 117216109. The next prime is 117216157. The reversal of 117216143 is 341612711.

It is a cyclic number.

It is not a de Polignac number, because 117216143 - 2⁶ = 117216079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117216103) 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 15 ways as a sum of consecutive naturals, for example, 224723 + ... + 225243.

It is an arithmetic number, because the mean of its divisors is an integer number (8122842).

Almost surely, 2^117216143 is an apocalyptic number.

117216143 is a deficient number, since it is larger than the sum of its proper divisors (12749329).

117216143 is a wasteful number, since it uses less digits than its factorization.

117216143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 826.

The product of its digits is 1008, while the sum is 26.

The square root of 117216143 is about 10826.6404299764. The cubic root of 117216143 is about 489.3983216063.

Adding to 117216143 its reverse (341612711), we get a palindrome (458828854).

The spelling of 117216143 in words is "one hundred seventeen million, two hundred sixteen thousand, one hundred forty-three".