108568121 has 4 divisors (see below), whose sum is σ = 108597492. Its totient is φ = 108538752.

The previous prime is 108568111. The next prime is 108568127. The reversal of 108568121 is 121865801.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 121865801 = 29 ⋅4202269.

It can be written as a sum of positive squares in 2 ways, for example, as 4752400 + 103815721 = 2180^2 + 10189^2 .

It is a cyclic number.

It is not a de Polignac number, because 108568121 - 2²² = 104373817 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (108568127) 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, 8180 + ... + 16853.

It is an arithmetic number, because the mean of its divisors is an integer number (27149373).

Almost surely, 2^108568121 is an apocalyptic number.

It is an amenable number.

108568121 is a deficient number, since it is larger than the sum of its proper divisors (29371).

108568121 is an equidigital number, since it uses as much as digits as its factorization.

108568121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29370.

The product of its (nonzero) digits is 3840, while the sum is 32.

The square root of 108568121 is about 10419.6027275516. The cubic root of 108568121 is about 477.0538888731.

The spelling of 108568121 in words is "one hundred eight million, five hundred sixty-eight thousand, one hundred twenty-one".