118942917 has 4 divisors (see below), whose sum is σ = 158590560. Its totient is φ = 79295276.

The previous prime is 118942909. The next prime is 118942921. The reversal of 118942917 is 719249811.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 118942917 - 2³ = 118942909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118942937) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19823817 + ... + 19823822.

It is an arithmetic number, because the mean of its divisors is an integer number (39647640).

Almost surely, 2^118942917 is an apocalyptic number.

It is an amenable number.

118942917 is a deficient number, since it is larger than the sum of its proper divisors (39647643).

118942917 is an equidigital number, since it uses as much as digits as its factorization.

118942917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39647642.

The product of its digits is 36288, while the sum is 42.

The square root of 118942917 is about 10906.0954057811. The cubic root of 118942917 is about 491.7898128892.

The spelling of 118942917 in words is "one hundred eighteen million, nine hundred forty-two thousand, nine hundred seventeen".