128411673 has 16 divisors (see below), whose sum is σ = 184791936. Its totient is φ = 78848640.

The previous prime is 128411669. The next prime is 128411677. The reversal of 128411673 is 376114821.

It is an interprime number because it is at equal distance from previous prime (128411669) and next prime (128411677).

It is not a de Polignac number, because 128411673 - 2² = 128411669 is a prime.

It is not an unprimeable number, because it can be changed into a prime (128411677) 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, 15613 + ... + 22373.

It is an arithmetic number, because the mean of its divisors is an integer number (11549496).

Almost surely, 2^128411673 is an apocalyptic number.

128411673 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

128411673 is a deficient number, since it is larger than the sum of its proper divisors (56380263).

128411673 is a wasteful number, since it uses less digits than its factorization.

128411673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7264.

The product of its digits is 8064, while the sum is 33.

The square root of 128411673 is about 11331.8874420813. The cubic root of 128411673 is about 504.5081287245.

The spelling of 128411673 in words is "one hundred twenty-eight million, four hundred eleven thousand, six hundred seventy-three".