128269035 has 32 divisors (see below), whose sum is σ = 228502080. Its totient is φ = 68269824.

The previous prime is 128269027. The next prime is 128269039. The reversal of 128269035 is 530962821.

It is not a de Polignac number, because 128269035 - 2³ = 128269027 is a prime.

It is not an unprimeable number, because it can be changed into a prime (128269039) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 128157 + ... + 129153.

It is an arithmetic number, because the mean of its divisors is an integer number (7140690).

Almost surely, 2^128269035 is an apocalyptic number.

128269035 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

128269035 is a deficient number, since it is larger than the sum of its proper divisors (100233045).

128269035 is an equidigital number, since it uses as much as digits as its factorization.

128269035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1964 (or 1958 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 128269035 is about 11325.5920375051. The cubic root of 128269035 is about 504.3212591820.

The spelling of 128269035 in words is "one hundred twenty-eight million, two hundred sixty-nine thousand, thirty-five".