118942919 has 4 divisors (see below), whose sum is σ = 119363496. Its totient is φ = 118522344.

The previous prime is 118942909. The next prime is 118942921. The reversal of 118942919 is 919249811.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 919249811 = 19 ⋅48381569.

It is a cyclic number.

It is not a de Polignac number, because 118942919 - 2⁴ = 118942903 is a prime.

It is a super-2 number, since 2×118942919² = 28294835960481122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 118942919.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118942909) 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, 209864 + ... + 210429.

It is an arithmetic number, because the mean of its divisors is an integer number (29840874).

Almost surely, 2^118942919 is an apocalyptic number.

118942919 is a deficient number, since it is larger than the sum of its proper divisors (420577).

118942919 is an equidigital number, since it uses as much as digits as its factorization.

118942919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420576.

The product of its digits is 46656, while the sum is 44.

The square root of 118942919 is about 10906.0954974730. The cubic root of 118942919 is about 491.7898156457.

The spelling of 118942919 in words is "one hundred eighteen million, nine hundred forty-two thousand, nine hundred nineteen".