121824528 has 80 divisors (see below), whose sum is σ = 366512256. Its totient is φ = 34145280.

The previous prime is 121824497. The next prime is 121824541. The reversal of 121824528 is 825428121.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14388 + ... + 21228.

Almost surely, 2^121824528 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 121824528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (183256128).

121824528 is an abundant number, since it is smaller than the sum of its proper divisors (244687728).

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

121824528 is a wasteful number, since it uses less digits than its factorization.

121824528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6912 (or 6906 counting only the distinct ones).

The product of its digits is 10240, while the sum is 33.

The square root of 121824528 is about 11037.4149147343. The cubic root of 121824528 is about 495.7296697220.

The spelling of 121824528 in words is "one hundred twenty-one million, eight hundred twenty-four thousand, five hundred twenty-eight".