128485035 has 48 divisors (see below), whose sum is σ = 263966976. Its totient is φ = 58732128.

The previous prime is 128485033. The next prime is 128485069. The reversal of 128485035 is 530584821.

It is a happy number.

It is not a de Polignac number, because 128485035 - 2¹ = 128485033 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128485033) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 952 + ... + 16058.

It is an arithmetic number, because the mean of its divisors is an integer number (5499312).

Almost surely, 2^128485035 is an apocalyptic number.

128485035 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

128485035 is an abundant number, since it is smaller than the sum of its proper divisors (135481941).

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

128485035 is an equidigital number, since it uses as much as digits as its factorization.

128485035 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15134 (or 15122 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

The square root of 128485035 is about 11335.1239516822. The cubic root of 128485035 is about 504.6041861374.

The spelling of 128485035 in words is "one hundred twenty-eight million, four hundred eighty-five thousand, thirty-five".