115920183 has 8 divisors (see below), whose sum is σ = 155414896. Its totient is φ = 76852800.

The previous prime is 115920179. The next prime is 115920187. The reversal of 115920183 is 381029511.

It is an interprime number because it is at equal distance from previous prime (115920179) and next prime (115920187).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 115920183 - 2² = 115920179 is a prime.

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 115920183.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115920187) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106198 + ... + 107283.

It is an arithmetic number, because the mean of its divisors is an integer number (19426862).

Almost surely, 2^115920183 is an apocalyptic number.

115920183 is a deficient number, since it is larger than the sum of its proper divisors (39494713).

115920183 is a wasteful number, since it uses less digits than its factorization.

115920183 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213665.

The product of its (nonzero) digits is 2160, while the sum is 30.

The square root of 115920183 is about 10766.6235654452. The cubic root of 115920183 is about 487.5880119860.

Adding to 115920183 its reverse (381029511), we get a palindrome (496949694).

The spelling of 115920183 in words is "one hundred fifteen million, nine hundred twenty thousand, one hundred eighty-three".