128830035 has 32 divisors (see below), whose sum is σ = 216210240. Its totient is φ = 65415168.

The previous prime is 128830007. The next prime is 128830087. The reversal of 128830035 is 530038821.

It is a happy number.

It is not a de Polignac number, because 128830035 - 2⁵ = 128830003 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 128829984 and 128830011.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29727 + ... + 33783.

It is an arithmetic number, because the mean of its divisors is an integer number (6756570).

Almost surely, 2^128830035 is an apocalyptic number.

128830035 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

128830035 is a deficient number, since it is larger than the sum of its proper divisors (87380205).

128830035 is a wasteful number, since it uses less digits than its factorization.

128830035 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4167.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 128830035 is about 11350.3319334723. The cubic root of 128830035 is about 505.0554263904.

Adding to 128830035 its reverse (530038821), we get a palindrome (658868856).

The spelling of 128830035 in words is "one hundred twenty-eight million, eight hundred thirty thousand, thirty-five".