121768108 has 72 divisors (see below), whose sum is σ = 270749696. Its totient is φ = 46902240.

The previous prime is 121768103. The next prime is 121768111. The reversal of 121768108 is 801867121.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (121768103) 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, 430135 + ... + 430417.

Almost surely, 2^121768108 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121768108, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135374848).

121768108 is an abundant number, since it is smaller than the sum of its proper divisors (148981588).

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

121768108 is a wasteful number, since it uses less digits than its factorization.

121768108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443 (or 430 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 34.

The square root of 121768108 is about 11034.8587666540. The cubic root of 121768108 is about 495.6531296162.

The spelling of 121768108 in words is "one hundred twenty-one million, seven hundred sixty-eight thousand, one hundred eight".