118299947 has 4 divisors (see below), whose sum is σ = 124526280. Its totient is φ = 112073616.

The previous prime is 118299941. The next prime is 118299959. The reversal of 118299947 is 749992811.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 749992811 = 607 ⋅1235573.

It is a cyclic number.

It is not a de Polignac number, because 118299947 - 2⁸ = 118299691 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 118299895 and 118299904.

It is not an unprimeable number, because it can be changed into a prime (118299941) 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, 3113138 + ... + 3113175.

It is an arithmetic number, because the mean of its divisors is an integer number (31131570).

Almost surely, 2^118299947 is an apocalyptic number.

118299947 is a deficient number, since it is larger than the sum of its proper divisors (6226333).

118299947 is an equidigital number, since it uses as much as digits as its factorization.

118299947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6226332.

The product of its digits is 326592, while the sum is 50.

The square root of 118299947 is about 10876.5779085152. The cubic root of 118299947 is about 490.9020548696.

The spelling of 118299947 in words is "one hundred eighteen million, two hundred ninety-nine thousand, nine hundred forty-seven".