118961317 has 2 divisors, whose sum is σ = 118961318. Its totient is φ = 118961316.

The previous prime is 118961303. The next prime is 118961329. The reversal of 118961317 is 713169811.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 95863681 + 23097636 = 9791^2 + 4806^2 .

It is an emirp because it is prime and its reverse (713169811) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-118961317 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 (118961387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59480658 + 59480659.

It is an arithmetic number, because the mean of its divisors is an integer number (59480659).

Almost surely, 2^118961317 is an apocalyptic number.

It is an amenable number.

118961317 is a deficient number, since it is larger than the sum of its proper divisors (1).

118961317 is an equidigital number, since it uses as much as digits as its factorization.

118961317 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9072, while the sum is 37.

The square root of 118961317 is about 10906.9389381256. The cubic root of 118961317 is about 491.8151708963.

The spelling of 118961317 in words is "one hundred eighteen million, nine hundred sixty-one thousand, three hundred seventeen".