117442243 has 2 divisors, whose sum is σ = 117442244. Its totient is φ = 117442242.

The previous prime is 117442231. The next prime is 117442253. The reversal of 117442243 is 342244711.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-117442243 is a prime.

It is not a weakly prime, because it can be changed into another prime (117442253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58721121 + 58721122.

It is an arithmetic number, because the mean of its divisors is an integer number (58721122).

Almost surely, 2^117442243 is an apocalyptic number.

117442243 is a deficient number, since it is larger than the sum of its proper divisors (1).

117442243 is an equidigital number, since it uses as much as digits as its factorization.

117442243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5376, while the sum is 28.

The square root of 117442243 is about 10837.0772351220. The cubic root of 117442243 is about 489.7127887866.

Adding to 117442243 its reverse (342244711), we get a palindrome (459686954).

The spelling of 117442243 in words is "one hundred seventeen million, four hundred forty-two thousand, two hundred forty-three".