128203832 has 16 divisors (see below), whose sum is σ = 241976400. Its totient is φ = 63676800.

The previous prime is 128203793. The next prime is 128203891. The reversal of 128203832 is 238302821.

It is a junction number, because it is equal to n+sod(n) for n = 128203795 and 128203804.

It is a congruent number.

It is an unprimeable number.

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, 51857 + ... + 54272.

It is an arithmetic number, because the mean of its divisors is an integer number (15123525).

Almost surely, 2^128203832 is an apocalyptic number.

It is an amenable number.

128203832 is a deficient number, since it is larger than the sum of its proper divisors (113772568).

128203832 is a wasteful number, since it uses less digits than its factorization.

128203832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106286 (or 106282 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 128203832 is about 11322.7131024326. The cubic root of 128203832 is about 504.2357908213.

The spelling of 128203832 in words is "one hundred twenty-eight million, two hundred three thousand, eight hundred thirty-two".