1171146056 has 16 divisors (see below), whose sum is σ = 2203056240. Its totient is φ = 583664400.

The previous prime is 1171146043. The next prime is 1171146061. The reversal of 1171146056 is 6506411711.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 235970 + ... + 240881.

It is an arithmetic number, because the mean of its divisors is an integer number (137691015).

Almost surely, 2^1171146056 is an apocalyptic number.

It is an amenable number.

1171146056 is a deficient number, since it is larger than the sum of its proper divisors (1031910184).

1171146056 is a wasteful number, since it uses less digits than its factorization.

1171146056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477164 (or 477160 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 32.

The square root of 1171146056 is about 34222.0112792922. The cubic root of 1171146056 is about 1054.0721853327.

Adding to 1171146056 its reverse (6506411711), we get a palindrome (7677557767).

The spelling of 1171146056 in words is "one billion, one hundred seventy-one million, one hundred forty-six thousand, fifty-six".