130128843 has 16 divisors (see below), whose sum is σ = 187425056. Its totient is φ = 79833600.

The previous prime is 130128839. The next prime is 130128847. The reversal of 130128843 is 348821031.

It is an interprime number because it is at equal distance from previous prime (130128839) and next prime (130128847).

It is not a de Polignac number, because 130128843 - 2² = 130128839 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 130128843.

It is not an unprimeable number, because it can be changed into a prime (130128847) 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, 8193 + ... + 18093.

It is an arithmetic number, because the mean of its divisors is an integer number (11714066).

Almost surely, 2^130128843 is an apocalyptic number.

130128843 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

130128843 is a deficient number, since it is larger than the sum of its proper divisors (57296213).

130128843 is a wasteful number, since it uses less digits than its factorization.

130128843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10254.

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 130128843 is about 11407.4029910405. The cubic root of 130128843 is about 506.7470036988.

Adding to 130128843 its reverse (348821031), we get a palindrome (478949874).

The spelling of 130128843 in words is "one hundred thirty million, one hundred twenty-eight thousand, eight hundred forty-three".