128102073484 has 96 divisors (see below), whose sum is σ = 288529629696. Its totient is φ = 48317230080.

The previous prime is 128102073431. The next prime is 128102073493. The reversal of 128102073484 is 484370201821.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1453774 + ... + 1539370.

It is an arithmetic number, because the mean of its divisors is an integer number (3005516976).

Almost surely, 2^128102073484 is an apocalyptic number.

128102073484 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 128102073484, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144264814848).

128102073484 is an abundant number, since it is smaller than the sum of its proper divisors (160427556212).

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

128102073484 is a wasteful number, since it uses less digits than its factorization.

128102073484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85775 (or 85773 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 40.

The spelling of 128102073484 in words is "one hundred twenty-eight billion, one hundred two million, seventy-three thousand, four hundred eighty-four".