1121776727 has 2 divisors, whose sum is σ = 1121776728. Its totient is φ = 1121776726.

The previous prime is 1121776697. The next prime is 1121776751. The reversal of 1121776727 is 7276771211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1121776727 - 2¹⁶ = 1121711191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1121778727) by changing a digit.

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 as a sum of consecutive naturals, namely, 560888363 + 560888364.

It is an arithmetic number, because the mean of its divisors is an integer number (560888364).

Almost surely, 2^1121776727 is an apocalyptic number.

1121776727 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121776727 is an equidigital number, since it uses as much as digits as its factorization.

1121776727 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 57624, while the sum is 41.

The square root of 1121776727 is about 33492.9354789932. The cubic root of 1121776727 is about 1039.0476757485.

The spelling of 1121776727 in words is "one billion, one hundred twenty-one million, seven hundred seventy-six thousand, seven hundred twenty-seven".