1130817285 has 48 divisors (see below), whose sum is σ = 2122848000. Its totient is φ = 553548672.

The previous prime is 1130817257. The next prime is 1130817293. The reversal of 1130817285 is 5827180311.

It is not a de Polignac number, because 1130817285 - 2⁵ = 1130817253 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 99316 + ... + 110114.

It is an arithmetic number, because the mean of its divisors is an integer number (44226000).

Almost surely, 2^1130817285 is an apocalyptic number.

1130817285 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1130817285 is a deficient number, since it is larger than the sum of its proper divisors (992030715).

1130817285 is a wasteful number, since it uses less digits than its factorization.

1130817285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11002 (or 10999 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 36.

The square root of 1130817285 is about 33627.6268118938. The cubic root of 1130817285 is about 1041.8314883155.

Adding to 1130817285 its reverse (5827180311), we get a palindrome (6957997596).

The spelling of 1130817285 in words is "one billion, one hundred thirty million, eight hundred seventeen thousand, two hundred eighty-five".