108206121 has 8 divisors (see below), whose sum is σ = 151868320. Its totient is φ = 68340672.

The previous prime is 108206117. The next prime is 108206129. The reversal of 108206121 is 121602801.

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

It is not a de Polignac number, because 108206121 - 2² = 108206117 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (108206129) 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, 949120 + ... + 949233.

It is an arithmetic number, because the mean of its divisors is an integer number (18983540).

Almost surely, 2^108206121 is an apocalyptic number.

It is an amenable number.

108206121 is a deficient number, since it is larger than the sum of its proper divisors (43662199).

108206121 is a wasteful number, since it uses less digits than its factorization.

108206121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1898375.

The product of its (nonzero) digits is 192, while the sum is 21.

The square root of 108206121 is about 10402.2171194414. The cubic root of 108206121 is about 476.5230829590.

Adding to 108206121 its reverse (121602801), we get a palindrome (229808922).

The spelling of 108206121 in words is "one hundred eight million, two hundred six thousand, one hundred twenty-one".