8928121240128 has 28 divisors (see below), whose sum is σ = 23622320781680. Its totient is φ = 2976040413312.

The previous prime is 8928121240123. The next prime is 8928121240177. The reversal of 8928121240128 is 8210421218298.

It is a super-2 number, since 2×8928121240128² (a number of 27 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (8928121240123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23250315538 + ... + 23250315921.

Almost surely, 2^{8928121240128} is an apocalyptic number.

It is an amenable number.

8928121240128 is an abundant number, since it is smaller than the sum of its proper divisors (14694199541552).

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

8928121240128 is a wasteful number, since it uses less digits than its factorization.

8928121240128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46500631474 (or 46500631464 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 48.

The spelling of 8928121240128 in words is "eight trillion, nine hundred twenty-eight billion, one hundred twenty-one million, two hundred forty thousand, one hundred twenty-eight".