120808113 has 24 divisors (see below), whose sum is σ = 170824320. Its totient is φ = 75852000.

The previous prime is 120808109. The next prime is 120808139. The reversal of 120808113 is 311808021.

It is not a de Polignac number, because 120808113 - 2² = 120808109 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (120808153) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 160488 + ... + 161238.

It is an arithmetic number, because the mean of its divisors is an integer number (7117680).

Almost surely, 2^120808113 is an apocalyptic number.

It is an amenable number.

120808113 is a deficient number, since it is larger than the sum of its proper divisors (50016207).

120808113 is an equidigital number, since it uses as much as digits as its factorization.

120808113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 869 (or 826 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 24.

The square root of 120808113 is about 10991.2744029071. The cubic root of 120808113 is about 494.3471487254.

The spelling of 120808113 in words is "one hundred twenty million, eight hundred eight thousand, one hundred thirteen".