128748960 has 96 divisors (see below), whose sum is σ = 450636480. Its totient is φ = 34331904.

The previous prime is 128748943. The next prime is 128748967. The reversal of 128748960 is 69847821.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (128748967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10582 + ... + 19221.

It is an arithmetic number, because the mean of its divisors is an integer number (4694130).

Almost surely, 2^128748960 is an apocalyptic number.

128748960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

128748960 is an abundant number, since it is smaller than the sum of its proper divisors (321887520).

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

128748960 is a wasteful number, since it uses less digits than its factorization.

128748960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29827 (or 29813 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The square root of 128748960 is about 11346.7598899422. The cubic root of 128748960 is about 504.9494574126.

The spelling of 128748960 in words is "one hundred twenty-eight million, seven hundred forty-eight thousand, nine hundred sixty".