121754668 has 24 divisors (see below), whose sum is σ = 244756512. Its totient is φ = 51913344.

The previous prime is 121754657. The next prime is 121754681. The reversal of 121754668 is 866457121.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 121754668.

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, 5521 + ... + 16552.

It is an arithmetic number, because the mean of its divisors is an integer number (10198188).

Almost surely, 2^121754668 is an apocalyptic number.

It is an amenable number.

121754668 is an abundant number, since it is smaller than the sum of its proper divisors (123001844).

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

121754668 is a wasteful number, since it uses less digits than its factorization.

121754668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22281 (or 22279 counting only the distinct ones).

The product of its digits is 80640, while the sum is 40.

The square root of 121754668 is about 11034.2497706006. The cubic root of 121754668 is about 495.6348932507.

The spelling of 121754668 in words is "one hundred twenty-one million, seven hundred fifty-four thousand, six hundred sixty-eight".