1117331128 has 32 divisors (see below), whose sum is σ = 2153260800. Its totient is φ = 543340512.

The previous prime is 1117331101. The next prime is 1117331153. The reversal of 1117331128 is 8211337111.

It is a junction number, because it is equal to n+sod(n) for n = 1117331096 and 1117331105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29151 + ... + 55537.

It is an arithmetic number, because the mean of its divisors is an integer number (67289400).

Almost surely, 2^1117331128 is an apocalyptic number.

It is an amenable number.

1117331128 is a deficient number, since it is larger than the sum of its proper divisors (1035929672).

1117331128 is a wasteful number, since it uses less digits than its factorization.

1117331128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26539 (or 26535 counting only the distinct ones).

The product of its digits is 1008, while the sum is 28.

The square root of 1117331128 is about 33426.5033768116. The cubic root of 1117331128 is about 1037.6732772569.

Adding to 1117331128 its reverse (8211337111), we get a palindrome (9328668239).

The spelling of 1117331128 in words is "one billion, one hundred seventeen million, three hundred thirty-one thousand, one hundred twenty-eight".