118955717 has 2 divisors, whose sum is σ = 118955718. Its totient is φ = 118955716.

The previous prime is 118955581. The next prime is 118955723. The reversal of 118955717 is 717559811.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 106523041 + 12432676 = 10321^2 + 3526^2 .

It is a cyclic number.

It is not a de Polignac number, because 118955717 - 2⁸ = 118955461 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (118955017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59477858 + 59477859.

It is an arithmetic number, because the mean of its divisors is an integer number (59477859).

Almost surely, 2^118955717 is an apocalyptic number.

It is an amenable number.

118955717 is a deficient number, since it is larger than the sum of its proper divisors (1).

118955717 is an equidigital number, since it uses as much as digits as its factorization.

118955717 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 88200, while the sum is 44.

The square root of 118955717 is about 10906.6822177966. The cubic root of 118955717 is about 491.8074535188.

The spelling of 118955717 in words is "one hundred eighteen million, nine hundred fifty-five thousand, seven hundred seventeen".