1121750771 has 2 divisors, whose sum is σ = 1121750772. Its totient is φ = 1121750770.

The previous prime is 1121750753. The next prime is 1121750801. The reversal of 1121750771 is 1770571211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1121750771 - 2¹⁰ = 1121749747 is a prime.

It is not a weakly prime, because it can be changed into another prime (1121750471) 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, 560875385 + 560875386.

It is an arithmetic number, because the mean of its divisors is an integer number (560875386).

Almost surely, 2^1121750771 is an apocalyptic number.

1121750771 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121750771 is an equidigital number, since it uses as much as digits as its factorization.

1121750771 is an odious number, because the sum of its binary digits is odd.

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

The square root of 1121750771 is about 33492.5479920534. The cubic root of 1121750771 is about 1039.0396617564.

The spelling of 1121750771 in words is "one billion, one hundred twenty-one million, seven hundred fifty thousand, seven hundred seventy-one".