117740143 has 2 divisors, whose sum is σ = 117740144. Its totient is φ = 117740142.

The previous prime is 117740111. The next prime is 117740173. The reversal of 117740143 is 341047711.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 117740143 - 2⁵ = 117740111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117740173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58870071 + 58870072.

It is an arithmetic number, because the mean of its divisors is an integer number (58870072).

Almost surely, 2^117740143 is an apocalyptic number.

117740143 is a deficient number, since it is larger than the sum of its proper divisors (1).

117740143 is an equidigital number, since it uses as much as digits as its factorization.

117740143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2352, while the sum is 28.

The square root of 117740143 is about 10850.8130110144. The cubic root of 117740143 is about 490.1265021156.

Adding to 117740143 its reverse (341047711), we get a palindrome (458787854).

The spelling of 117740143 in words is "one hundred seventeen million, seven hundred forty thousand, one hundred forty-three".