121284752 has 40 divisors (see below), whose sum is σ = 248942400. Its totient is φ = 57082752.

The previous prime is 121284731. The next prime is 121284763. The reversal of 121284752 is 257482121.

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, 49574 + ... + 51962.

It is an arithmetic number, because the mean of its divisors is an integer number (6223560).

Almost surely, 2^121284752 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 121284752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124471200).

121284752 is an abundant number, since it is smaller than the sum of its proper divisors (127657648).

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

121284752 is a wasteful number, since it uses less digits than its factorization.

121284752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2583 (or 2577 counting only the distinct ones).

The product of its digits is 8960, while the sum is 32.

The square root of 121284752 is about 11012.9356667512. The cubic root of 121284752 is about 494.9964316309.

The spelling of 121284752 in words is "one hundred twenty-one million, two hundred eighty-four thousand, seven hundred fifty-two".