117620243 has 8 divisors (see below), whose sum is σ = 126974736. Its totient is φ = 108309600.

The previous prime is 117620227. The next prime is 117620281. The reversal of 117620243 is 342026711.

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 117620243 - 2⁴ = 117620227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117620843) 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 in 7 ways as a sum of consecutive naturals, for example, 5273 + ... + 16218.

It is an arithmetic number, because the mean of its divisors is an integer number (15871842).

Almost surely, 2^117620243 is an apocalyptic number.

117620243 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

117620243 is a deficient number, since it is larger than the sum of its proper divisors (9354493).

117620243 is a wasteful number, since it uses less digits than its factorization.

117620243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21925.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 117620243 is about 10845.2866720986. The cubic root of 117620243 is about 489.9600731038.

Adding to 117620243 its reverse (342026711), we get a palindrome (459646954).

The spelling of 117620243 in words is "one hundred seventeen million, six hundred twenty thousand, two hundred forty-three".