121668006 has 8 divisors (see below), whose sum is σ = 243336024. Its totient is φ = 40556000.

The previous prime is 121667989. The next prime is 121668011. The reversal of 121668006 is 600866121.

It is a sphenic number, since it is the product of 3 distinct primes.

121668006 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10138995 + ... + 10139006.

It is an arithmetic number, because the mean of its divisors is an integer number (30417003).

Almost surely, 2^121668006 is an apocalyptic number.

121668006 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

121668006 is a wasteful number, since it uses less digits than its factorization.

121668006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20278006.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 121668006 is about 11030.3221167834. The cubic root of 121668006 is about 495.5172717343.

The spelling of 121668006 in words is "one hundred twenty-one million, six hundred sixty-eight thousand, six".