121855014 has 24 divisors (see below), whose sum is σ = 279550440. Its totient is φ = 38228928.

The previous prime is 121855009. The next prime is 121855033. The reversal of 121855014 is 410558121.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 198804 + ... + 199415.

It is an arithmetic number, because the mean of its divisors is an integer number (11647935).

Almost surely, 2^121855014 is an apocalyptic number.

121855014 is an abundant number, since it is smaller than the sum of its proper divisors (157695426).

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

121855014 is a wasteful number, since it uses less digits than its factorization.

121855014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398244 (or 398241 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 27.

The square root of 121855014 is about 11038.7958582447. The cubic root of 121855014 is about 495.7710175921.

The spelling of 121855014 in words is "one hundred twenty-one million, eight hundred fifty-five thousand, fourteen".