1121776751 has 2 divisors, whose sum is σ = 1121776752. Its totient is φ = 1121776750.

The previous prime is 1121776727. The next prime is 1121776771. The reversal of 1121776751 is 1576771211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1121776751 - 2³⁰ = 48034927 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1121776771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560888375 + 560888376.

It is an arithmetic number, because the mean of its divisors is an integer number (560888376).

Almost surely, 2^1121776751 is an apocalyptic number.

1121776751 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121776751 is an equidigital number, since it uses as much as digits as its factorization.

1121776751 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20580, while the sum is 38.

The square root of 1121776751 is about 33492.9358372777. The cubic root of 1121776751 is about 1039.0476831585.

The spelling of 1121776751 in words is "one billion, one hundred twenty-one million, seven hundred seventy-six thousand, seven hundred fifty-one".