1113128575 has 24 divisors (see below), whose sum is σ = 1501216416. Its totient is φ = 813840000.

The previous prime is 1113128561. The next prime is 1113128579. The reversal of 1113128575 is 5758213111.

It is not a de Polignac number, because 1113128575 - 2⁵ = 1113128543 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1113128575.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113128579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15870 + ... + 49780.

It is an arithmetic number, because the mean of its divisors is an integer number (62550684).

Almost surely, 2^1113128575 is an apocalyptic number.

1113128575 is a deficient number, since it is larger than the sum of its proper divisors (388087841).

1113128575 is a wasteful number, since it uses less digits than its factorization.

1113128575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34035 (or 34030 counting only the distinct ones).

The product of its digits is 8400, while the sum is 34.

The square root of 1113128575 is about 33363.5815673318. The cubic root of 1113128575 is about 1036.3706625630.

The spelling of 1113128575 in words is "one billion, one hundred thirteen million, one hundred twenty-eight thousand, five hundred seventy-five".