1121027783 has 2 divisors, whose sum is σ = 1121027784. Its totient is φ = 1121027782.

The previous prime is 1121027779. The next prime is 1121027819. The reversal of 1121027783 is 3877201211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1121027783 - 2² = 1121027779 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1121029783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560513891 + 560513892.

It is an arithmetic number, because the mean of its divisors is an integer number (560513892).

Almost surely, 2^1121027783 is an apocalyptic number.

1121027783 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121027783 is an equidigital number, since it uses as much as digits as its factorization.

1121027783 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4704, while the sum is 32.

The square root of 1121027783 is about 33481.7529857682. The cubic root of 1121027783 is about 1038.8163873671.

Adding to 1121027783 its reverse (3877201211), we get a palindrome (4998228994).

The spelling of 1121027783 in words is "one billion, one hundred twenty-one million, twenty-seven thousand, seven hundred eighty-three".