128050880 has 56 divisors (see below), whose sum is σ = 320984880. Its totient is φ = 48522240.

The previous prime is 128050877. The next prime is 128050891. The reversal of 128050880 is 88050821.

It is a Harshad number since it is a multiple of its sum of digits (32).

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 7 ways as a sum of consecutive naturals, for example, 4451 + ... + 16610.

Almost surely, 2^128050880 is an apocalyptic number.

128050880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

128050880 is an abundant number, since it is smaller than the sum of its proper divisors (192934000).

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

128050880 is a wasteful number, since it uses less digits than its factorization.

128050880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21097 (or 21087 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 32.

The square root of 128050880 is about 11315.9568751388. The cubic root of 128050880 is about 504.0351869278.

The spelling of 128050880 in words is "one hundred twenty-eight million, fifty thousand, eight hundred eighty".