1116959281 has 8 divisors (see below), whose sum is σ = 1166086080. Its totient is φ = 1067879472.

The previous prime is 1116959209. The next prime is 1116959321. The reversal of 1116959281 is 1829596111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1116959281 - 2¹³ = 1116951089 is a prime.

It is a super-2 number, since 2×1116959281² = 2495196070824073922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1116959681) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 42150 + ... + 63328.

It is an arithmetic number, because the mean of its divisors is an integer number (145760760).

Almost surely, 2^1116959281 is an apocalyptic number.

It is an amenable number.

1116959281 is a deficient number, since it is larger than the sum of its proper divisors (49126799).

1116959281 is a wasteful number, since it uses less digits than its factorization.

1116959281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23495.

The product of its digits is 38880, while the sum is 43.

The square root of 1116959281 is about 33420.9407557597. The cubic root of 1116959281 is about 1037.5581521767.

The spelling of 1116959281 in words is "one billion, one hundred sixteen million, nine hundred fifty-nine thousand, two hundred eighty-one".