117740243 has 8 divisors (see below), whose sum is σ = 123379200. Its totient is φ = 112144648.

The previous prime is 117740221. The next prime is 117740251. The reversal of 117740243 is 342047711.

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 117740243 - 2¹² = 117736147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117740213) 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, 5213 + ... + 16206.

It is an arithmetic number, because the mean of its divisors is an integer number (15422400).

Almost surely, 2^117740243 is an apocalyptic number.

117740243 is a deficient number, since it is larger than the sum of its proper divisors (5638957).

117740243 is a wasteful number, since it uses less digits than its factorization.

117740243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21681.

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 117740243 is about 10850.8176189631. The cubic root of 117740243 is about 490.1266408750.

Adding to 117740243 its reverse (342047711), we get a palindrome (459787954).

The spelling of 117740243 in words is "one hundred seventeen million, seven hundred forty thousand, two hundred forty-three".