121525344 has 72 divisors (see below), whose sum is σ = 347262552. Its totient is φ = 40312320.

The previous prime is 121525331. The next prime is 121525373. The reversal of 121525344 is 443525121.

121525344 is a `hidden beast` number, since 121 + 5 + 2 + 534 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

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, 66199 + ... + 68009.

It is an arithmetic number, because the mean of its divisors is an integer number (4823091).

Almost surely, 2^121525344 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 121525344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173631276).

121525344 is an abundant number, since it is smaller than the sum of its proper divisors (225737208).

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

121525344 is a wasteful number, since it uses less digits than its factorization.

121525344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2060 (or 2049 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 121525344 is about 11023.8534097656. The cubic root of 121525344 is about 495.3235228182.

The spelling of 121525344 in words is "one hundred twenty-one million, five hundred twenty-five thousand, three hundred forty-four".