121860118 has 16 divisors (see below), whose sum is σ = 195392736. Its totient is φ = 56858560.

The previous prime is 121860073. The next prime is 121860119. The reversal of 121860118 is 811068121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121860119) 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, 30421 + ... + 34192.

It is an arithmetic number, because the mean of its divisors is an integer number (12212046).

Almost surely, 2^121860118 is an apocalyptic number.

121860118 is a deficient number, since it is larger than the sum of its proper divisors (73532618).

121860118 is a wasteful number, since it uses less digits than its factorization.

121860118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64679.

The product of its (nonzero) digits is 768, while the sum is 28.

The square root of 121860118 is about 11039.0270404597. The cubic root of 121860118 is about 495.7779394244. Note that the first 3 decimals are identical.

The spelling of 121860118 in words is "one hundred twenty-one million, eight hundred sixty thousand, one hundred eighteen".