118720369 has 4 divisors (see below), whose sum is σ = 119517300. Its totient is φ = 117923440.

The previous prime is 118720361. The next prime is 118720387. The reversal of 118720369 is 963027811.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 963027811 = 16927 ⋅56893.

It can be written as a sum of positive squares in 2 ways, for example, as 10975969 + 107744400 = 3313^2 + 10380^2 .

It is a cyclic number.

It is not a de Polignac number, because 118720369 - 2³ = 118720361 is a prime.

It is a super-2 number, since 2×118720369² = 28189052030992322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (118720361) 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, 398242 + ... + 398539.

It is an arithmetic number, because the mean of its divisors is an integer number (29879325).

Almost surely, 2^118720369 is an apocalyptic number.

It is an amenable number.

118720369 is a deficient number, since it is larger than the sum of its proper divisors (796931).

118720369 is an equidigital number, since it uses as much as digits as its factorization.

118720369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 796930.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 118720369 is about 10895.8877105080. The cubic root of 118720369 is about 491.4829004834.

The spelling of 118720369 in words is "one hundred eighteen million, seven hundred twenty thousand, three hundred sixty-nine".