121425323024 has 20 divisors (see below), whose sum is σ = 242850647040. Its totient is φ = 58754188320.

The previous prime is 121425323023. The next prime is 121425323027. The reversal of 121425323024 is 420323524121.

121425323024 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (121425323023) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 122404064 + ... + 122405055.

It is an arithmetic number, because the mean of its divisors is an integer number (12142532352).

Almost surely, 2^121425323024 is an apocalyptic number.

It is an amenable number.

121425323024 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

121425323024 is a wasteful number, since it uses less digits than its factorization.

121425323024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244809158 (or 244809152 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 121425323024 its reverse (420323524121), we get a palindrome (541748847145).

The spelling of 121425323024 in words is "one hundred twenty-one billion, four hundred twenty-five million, three hundred twenty-three thousand, twenty-four".