108121996 has 24 divisors (see below), whose sum is σ = 194181120. Its totient is φ = 52653072.

The previous prime is 108121991. The next prime is 108121997. The reversal of 108121996 is 699121801.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (108121991) 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, 40635 + ... + 43213.

It is an arithmetic number, because the mean of its divisors is an integer number (8090880).

Almost surely, 2^108121996 is an apocalyptic number.

It is an amenable number.

108121996 is a deficient number, since it is larger than the sum of its proper divisors (86059124).

108121996 is a wasteful number, since it uses less digits than its factorization.

108121996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2853 (or 2851 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 37.

The square root of 108121996 is about 10398.1727240896. The cubic root of 108121996 is about 476.3995597634.

The spelling of 108121996 in words is "one hundred eight million, one hundred twenty-one thousand, nine hundred ninety-six".