128050780 has 48 divisors (see below), whose sum is σ = 315925344. Its totient is φ = 42981120.

The previous prime is 128050777. The next prime is 128050781. The reversal of 128050780 is 87050821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128050781) 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, 19527 + ... + 25246.

It is an arithmetic number, because the mean of its divisors is an integer number (6581778).

Almost surely, 2^128050780 is an apocalyptic number.

128050780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

128050780 is an abundant number, since it is smaller than the sum of its proper divisors (187874564).

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

128050780 is a wasteful number, since it uses less digits than its factorization.

128050780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44806 (or 44804 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 31.

The square root of 128050780 is about 11315.9524565986. The cubic root of 128050780 is about 504.0350557207.

The spelling of 128050780 in words is "one hundred twenty-eight million, fifty thousand, seven hundred eighty".