128102480 has 80 divisors (see below), whose sum is σ = 344067264. Its totient is φ = 43837440.

The previous prime is 128102467. The next prime is 128102543. The reversal of 128102480 is 84201821.

It is a tau number, because it is divible by the number of its divisors (80).

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, 10679 + ... + 19241.

Almost surely, 2^128102480 is an apocalyptic number.

128102480 is a gapful number since it is divisible by the number (10) 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 128102480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172033632).

128102480 is an abundant number, since it is smaller than the sum of its proper divisors (215964784).

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

128102480 is a wasteful number, since it uses less digits than its factorization.

128102480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8604 (or 8598 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 26.

The square root of 128102480 is about 11318.2366117695. The cubic root of 128102480 is about 504.1028806522.

The spelling of 128102480 in words is "one hundred twenty-eight million, one hundred two thousand, four hundred eighty".