1121170775 has 12 divisors (see below), whose sum is σ = 1397461152. Its totient is φ = 892285440.

The previous prime is 1121170751. The next prime is 1121170793. The reversal of 1121170775 is 5770711211.

It is a de Polignac number, because none of the positive numbers 2^k-1121170775 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 111359 + ... + 121008.

It is an arithmetic number, because the mean of its divisors is an integer number (116455096).

Almost surely, 2^1121170775 is an apocalyptic number.

1121170775 is a deficient number, since it is larger than the sum of its proper divisors (276290377).

1121170775 is a wasteful number, since it uses less digits than its factorization.

1121170775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232570 (or 232565 counting only the distinct ones).

The product of its (nonzero) digits is 3430, while the sum is 32.

The square root of 1121170775 is about 33483.8882897432. Note that the first 3 decimals coincide. The cubic root of 1121170775 is about 1038.8605540149.

Adding to 1121170775 its reverse (5770711211), we get a palindrome (6891881986).

The spelling of 1121170775 in words is "one billion, one hundred twenty-one million, one hundred seventy thousand, seven hundred seventy-five".