121124243152 has 40 divisors (see below), whose sum is σ = 261966402720. Its totient is φ = 53776087680.

The previous prime is 121124243099. The next prime is 121124243161. The reversal of 121124243152 is 251342421121.

It is a happy number.

121124243152 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 121124243152.

It is a congruent number.

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, 7994827 + ... + 8009962.

It is an arithmetic number, because the mean of its divisors is an integer number (6549160068).

Almost surely, 2^121124243152 is an apocalyptic number.

It is an amenable number.

121124243152 is an abundant number, since it is smaller than the sum of its proper divisors (140842159568).

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

121124243152 is a wasteful number, since it uses less digits than its factorization.

121124243152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16004851 (or 16004845 counting only the distinct ones).

The product of its digits is 3840, while the sum is 28.

Adding to 121124243152 its reverse (251342421121), we get a palindrome (372466664273).

The spelling of 121124243152 in words is "one hundred twenty-one billion, one hundred twenty-four million, two hundred forty-three thousand, one hundred fifty-two".