121218024 has 96 divisors (see below), whose sum is σ = 339059520. Its totient is φ = 35983872.

The previous prime is 121217983. The next prime is 121218059. The reversal of 121218024 is 420812121.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 146877 + ... + 147699.

It is an arithmetic number, because the mean of its divisors is an integer number (3531870).

Almost surely, 2^121218024 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121218024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169529760).

121218024 is an abundant number, since it is smaller than the sum of its proper divisors (217841496).

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

121218024 is a wasteful number, since it uses less digits than its factorization.

121218024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 887 (or 864 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

The square root of 121218024 is about 11009.9057216672. The cubic root of 121218024 is about 494.9056365374.

The spelling of 121218024 in words is "one hundred twenty-one million, two hundred eighteen thousand, twenty-four".