117747143 has 8 divisors (see below), whose sum is σ = 123007200. Its totient is φ = 112498848.

The previous prime is 117747137. The next prime is 117747169. The reversal of 117747143 is 341747711.

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 117747143 - 2⁴ = 117747127 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 (117747043) 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, 22193 + ... + 26981.

It is an arithmetic number, because the mean of its divisors is an integer number (15375900).

Almost surely, 2^117747143 is an apocalyptic number.

117747143 is a deficient number, since it is larger than the sum of its proper divisors (5260057).

117747143 is a wasteful number, since it uses less digits than its factorization.

117747143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5881.

The product of its digits is 16464, while the sum is 35.

The square root of 117747143 is about 10851.1355626957. The cubic root of 117747143 is about 490.1362150802.

The spelling of 117747143 in words is "one hundred seventeen million, seven hundred forty-seven thousand, one hundred forty-three".