128383104 has 32 divisors (see below), whose sum is σ = 341018640. Its totient is φ = 42794240.

The previous prime is 128383103. The next prime is 128383109. The reversal of 128383104 is 401383821.

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (128383103) 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 3 ways as a sum of consecutive naturals, for example, 166782 + ... + 167549.

Almost surely, 2^128383104 is an apocalyptic number.

It is an amenable number.

128383104 is an abundant number, since it is smaller than the sum of its proper divisors (212635536).

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

128383104 is an equidigital number, since it uses as much as digits as its factorization.

128383104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334348 (or 334336 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 128383104 is about 11330.6268140823. The cubic root of 128383104 is about 504.4707116647.

The spelling of 128383104 in words is "one hundred twenty-eight million, three hundred eighty-three thousand, one hundred four".