128288204 has 48 divisors (see below), whose sum is σ = 258128640. Its totient is φ = 55218240.

The previous prime is 128288197. The next prime is 128288207. The reversal of 128288204 is 402882821.

128288204 = 4001² + 4002² + ... + 4008².

It is not an unprimeable number, because it can be changed into a prime (128288207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109727 + ... + 110889.

It is an arithmetic number, because the mean of its divisors is an integer number (5377680).

Almost surely, 2^128288204 is an apocalyptic number.

It is an amenable number.

128288204 is an abundant number, since it is smaller than the sum of its proper divisors (129840436).

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

128288204 is a wasteful number, since it uses less digits than its factorization.

128288204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1310 (or 1308 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 35.

The square root of 128288204 is about 11326.4382751154. The cubic root of 128288204 is about 504.3463804767.

The spelling of 128288204 in words is "one hundred twenty-eight million, two hundred eighty-eight thousand, two hundred four".