118380971 has 4 divisors (see below), whose sum is σ = 122199744. Its totient is φ = 114562200.

The previous prime is 118380953. The next prime is 118381037. The reversal of 118380971 is 179083811.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 179083811 = 37 ⋅4840103.

It is a cyclic number.

It is not a de Polignac number, because 118380971 - 2⁶ = 118380907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (118380671) 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, 1909340 + ... + 1909401.

It is an arithmetic number, because the mean of its divisors is an integer number (30549936).

Almost surely, 2^118380971 is an apocalyptic number.

118380971 is a deficient number, since it is larger than the sum of its proper divisors (3818773).

118380971 is an equidigital number, since it uses as much as digits as its factorization.

118380971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3818772.

The product of its (nonzero) digits is 12096, while the sum is 38.

The square root of 118380971 is about 10880.3019719124. The cubic root of 118380971 is about 491.0141027387.

The spelling of 118380971 in words is "one hundred eighteen million, three hundred eighty thousand, nine hundred seventy-one".