128485004 has 12 divisors (see below), whose sum is σ = 224947464. Its totient is φ = 64214304.

The previous prime is 128485003. The next prime is 128485033. The reversal of 128485004 is 400584821.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (128485001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5807 + ... + 17049.

It is an arithmetic number, because the mean of its divisors is an integer number (18745622).

Almost surely, 2^128485004 is an apocalyptic number.

It is an amenable number.

128485004 is a deficient number, since it is larger than the sum of its proper divisors (96462460).

128485004 is a wasteful number, since it uses less digits than its factorization.

128485004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14104 (or 14102 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 32.

The square root of 128485004 is about 11335.1225842511. The cubic root of 128485004 is about 504.6041455549.

The spelling of 128485004 in words is "one hundred twenty-eight million, four hundred eighty-five thousand, four".