1121170776 has 64 divisors (see below), whose sum is σ = 3073248000. Its totient is φ = 338025600.

The previous prime is 1121170751. The next prime is 1121170793. The reversal of 1121170776 is 6770711211.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41866 + ... + 63206.

It is an arithmetic number, because the mean of its divisors is an integer number (48019500).

Almost surely, 2^1121170776 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1121170776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1536624000).

1121170776 is an abundant number, since it is smaller than the sum of its proper divisors (1952077224).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1121170776 is a wasteful number, since it uses less digits than its factorization.

1121170776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21560 (or 21556 counting only the distinct ones).

The product of its (nonzero) digits is 4116, while the sum is 33.

The square root of 1121170776 is about 33483.8883046757. Note that the first 3 decimals coincide. The cubic root of 1121170776 is about 1038.8605543237.

Adding to 1121170776 its reverse (6770711211), we get a palindrome (7891881987).

The spelling of 1121170776 in words is "one billion, one hundred twenty-one million, one hundred seventy thousand, seven hundred seventy-six".