121308308 has 36 divisors (see below), whose sum is σ = 237796020. Its totient is φ = 54088320.

The previous prime is 121308263. The next prime is 121308329. The reversal of 121308308 is 803803121.

It can be written as a sum of positive squares in 2 ways, for example, as 36336784 + 84971524 = 6028^2 + 9218^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23288 + ... + 28016.

It is an arithmetic number, because the mean of its divisors is an integer number (6605445).

Almost surely, 2^121308308 is an apocalyptic number.

It is an amenable number.

121308308 is a deficient number, since it is larger than the sum of its proper divisors (116487712).

121308308 is a wasteful number, since it uses less digits than its factorization.

121308308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4808 (or 4795 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 121308308 is about 11014.0050844368. The cubic root of 121308308 is about 495.0284757281.

The spelling of 121308308 in words is "one hundred twenty-one million, three hundred eight thousand, three hundred eight".