115742128 has 10 divisors (see below), whose sum is σ = 224250404. Its totient is φ = 57871056.

The previous prime is 115742119. The next prime is 115742131. The reversal of 115742128 is 821247511.

It is a self number, because there is not a number n which added to its sum of digits gives 115742128.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3616926 + ... + 3616957.

Almost surely, 2^115742128 is an apocalyptic number.

It is an amenable number.

115742128 is a deficient number, since it is larger than the sum of its proper divisors (108508276).

115742128 is an equidigital number, since it uses as much as digits as its factorization.

115742128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7233891 (or 7233885 counting only the distinct ones).

The product of its digits is 4480, while the sum is 31.

The square root of 115742128 is about 10758.3515465893. The cubic root of 115742128 is about 487.3382367523.

Adding to 115742128 its reverse (821247511), we get a palindrome (936989639).

The spelling of 115742128 in words is "one hundred fifteen million, seven hundred forty-two thousand, one hundred twenty-eight".