121068688 has 40 divisors (see below), whose sum is σ = 263608128. Its totient is φ = 53446272.

The previous prime is 121068683. The next prime is 121068691. The reversal of 121068688 is 886860121.

It is a self number, because there is not a number n which added to its sum of digits gives 121068688.

It is not an unprimeable number, because it can be changed into a prime (121068683) 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, 7870 + ... + 17437.

Almost surely, 2^121068688 is an apocalyptic number.

It is an amenable number.

121068688 is an abundant number, since it is smaller than the sum of its proper divisors (142539440).

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

121068688 is a wasteful number, since it uses less digits than its factorization.

121068688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25351 (or 25345 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 40.

The square root of 121068688 is about 11003.1217388521. The cubic root of 121068688 is about 494.7023180407.

The spelling of 121068688 in words is "one hundred twenty-one million, sixty-eight thousand, six hundred eighty-eight".