128106075 has 24 divisors (see below), whose sum is σ = 222952000. Its totient is φ = 64726560.

The previous prime is 128106061. The next prime is 128106089. The reversal of 128106075 is 570601821.

It is an interprime number because it is at equal distance from previous prime (128106061) and next prime (128106089).

It is not a de Polignac number, because 128106075 - 2⁴ = 128106059 is a prime.

It is a super-2 number, since 2×128106075² = 32822332903811250, which contains 22 as substring.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 43525 + ... + 46374.

Almost surely, 2^128106075 is an apocalyptic number.

128106075 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

128106075 is a deficient number, since it is larger than the sum of its proper divisors (94845925).

128106075 is a wasteful number, since it uses less digits than its factorization.

128106075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89931 (or 89926 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 30.

The square root of 128106075 is about 11318.3954251475. The cubic root of 128106075 is about 504.1075962333.

Adding to 128106075 its reverse (570601821), we get a palindrome (698707896).

The spelling of 128106075 in words is "one hundred twenty-eight million, one hundred six thousand, seventy-five".