117894043 has 2 divisors, whose sum is σ = 117894044. Its totient is φ = 117894042.

The previous prime is 117894041. The next prime is 117894053. The reversal of 117894043 is 340498711.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 117894043 - 2¹ = 117894041 is a prime.

Together with 117894041, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 117893993 and 117894011.

It is not a weakly prime, because it can be changed into another prime (117894041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58947021 + 58947022.

It is an arithmetic number, because the mean of its divisors is an integer number (58947022).

Almost surely, 2^117894043 is an apocalyptic number.

117894043 is a deficient number, since it is larger than the sum of its proper divisors (1).

117894043 is an equidigital number, since it uses as much as digits as its factorization.

117894043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 117894043 is about 10857.9023296399. The cubic root of 117894043 is about 490.3399598346.

The spelling of 117894043 in words is "one hundred seventeen million, eight hundred ninety-four thousand, forty-three".