121136008 has 32 divisors (see below), whose sum is σ = 260444160. Its totient is φ = 51742080.

The previous prime is 121135997. The next prime is 121136047. The reversal of 121136008 is 800631121.

It is a self number, because there is not a number n which added to its sum of digits gives 121136008.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14073 + ... + 20983.

It is an arithmetic number, because the mean of its divisors is an integer number (8138880).

Almost surely, 2^121136008 is an apocalyptic number.

It is an amenable number.

121136008 is an abundant number, since it is smaller than the sum of its proper divisors (139308152).

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

121136008 is a wasteful number, since it uses less digits than its factorization.

121136008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7237 (or 7233 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 121136008 is about 11006.1804455497. The cubic root of 121136008 is about 494.7939937931.

Adding to 121136008 its reverse (800631121), we get a palindrome (921767129).

The spelling of 121136008 in words is "one hundred twenty-one million, one hundred thirty-six thousand, eight".