128119800 has 48 divisors (see below), whose sum is σ = 397173240. Its totient is φ = 34165120.

The previous prime is 128119781. The next prime is 128119811. The reversal of 128119800 is 8911821.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 106167 + ... + 107366.

Almost surely, 2^128119800 is an apocalyptic number.

128119800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

128119800 is an abundant number, since it is smaller than the sum of its proper divisors (269053440).

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

128119800 is a wasteful number, since it uses less digits than its factorization.

128119800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213552 (or 213543 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 30.

The square root of 128119800 is about 11319.0017227669. The cubic root of 128119800 is about 504.1255985794.

The spelling of 128119800 in words is "one hundred twenty-eight million, one hundred nineteen thousand, eight hundred".