1117512828 has 96 divisors (see below), whose sum is σ = 2951961600. Its totient is φ = 365534208.

The previous prime is 1117512827. The next prime is 1117512839. The reversal of 1117512828 is 8282157111.

1117512828 is a `hidden beast` number, since 1 + 117 + 512 + 8 + 28 = 666.

1117512828 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

1117512828 is a Rhonda number in base 10.

Its product of digits (8960) is a multiple of the sum of its prime factors (896).

It is a junction number, because it is equal to n+sod(n) for n = 1117512792 and 1117512801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1117512827) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1936476 + ... + 1937052.

It is an arithmetic number, because the mean of its divisors is an integer number (30749600).

Almost surely, 2^1117512828 is an apocalyptic number.

1117512828 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1117512828, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1475980800).

1117512828 is an abundant number, since it is smaller than the sum of its proper divisors (1834448772).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1117512828 is a wasteful number, since it uses less digits than its factorization.

1117512828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 896 (or 888 counting only the distinct ones).

The product of its digits is 8960, while the sum is 36.

The square root of 1117512828 is about 33429.2211695098. The cubic root of 1117512828 is about 1037.7295228975.

Adding to 1117512828 its reverse (8282157111), we get a palindrome (9399669939).

The spelling of 1117512828 in words is "one billion, one hundred seventeen million, five hundred twelve thousand, eight hundred twenty-eight".