121106808 has 48 divisors (see below), whose sum is σ = 330384600. Its totient is φ = 40075200.

The previous prime is 121106803. The next prime is 121106831. The reversal of 121106808 is 808601121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121106803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3958 + ... + 16058.

Almost surely, 2^121106808 is an apocalyptic number.

121106808 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121106808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165192300).

121106808 is an abundant number, since it is smaller than the sum of its proper divisors (209277792).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121106808 is a wasteful number, since it uses less digits than its factorization.

121106808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12252 (or 12245 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 27.

The square root of 121106808 is about 11004.8538381934. The cubic root of 121106808 is about 494.7542336758.

Adding to 121106808 its reverse (808601121), we get a palindrome (929707929).

It can be divided in two parts, 121 and 106808, that added together give a square (106929 = 327²).

The spelling of 121106808 in words is "one hundred twenty-one million, one hundred six thousand, eight hundred eight".