1121132761 has 16 divisors (see below), whose sum is σ = 1292131584. Its totient is φ = 952870464.

The previous prime is 1121132743. The next prime is 1121132773. The reversal of 1121132761 is 1672311211.

It is not a de Polignac number, because 1121132761 - 2⁵ = 1121132729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1121132261) 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 15 ways as a sum of consecutive naturals, for example, 815871 + ... + 817243.

It is an arithmetic number, because the mean of its divisors is an integer number (80758224).

Almost surely, 2^1121132761 is an apocalyptic number.

It is an amenable number.

1121132761 is a deficient number, since it is larger than the sum of its proper divisors (170998823).

1121132761 is a wasteful number, since it uses less digits than its factorization.

1121132761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2280.

The product of its digits is 504, while the sum is 25.

The square root of 1121132761 is about 33483.3206387897. The cubic root of 1121132761 is about 1038.8488128088.

Adding to 1121132761 its reverse (1672311211), we get a palindrome (2793443972).

The spelling of 1121132761 in words is "one billion, one hundred twenty-one million, one hundred thirty-two thousand, seven hundred sixty-one".