1128938093 has 2 divisors, whose sum is σ = 1128938094. Its totient is φ = 1128938092.

The previous prime is 1128938081. The next prime is 1128938113. The reversal of 1128938093 is 3908398211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1028998084 + 99940009 = 32078^2 + 9997^2 .

It is a cyclic number.

It is not a de Polignac number, because 1128938093 - 2²⁸ = 860502637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1128938893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 564469046 + 564469047.

It is an arithmetic number, because the mean of its divisors is an integer number (564469047).

Almost surely, 2^1128938093 is an apocalyptic number.

It is an amenable number.

1128938093 is a deficient number, since it is larger than the sum of its proper divisors (1).

1128938093 is an equidigital number, since it uses as much as digits as its factorization.

1128938093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 93312, while the sum is 44.

The square root of 1128938093 is about 33599.6740013947. The cubic root of 1128938093 is about 1041.2540632037.

The spelling of 1128938093 in words is "one billion, one hundred twenty-eight million, nine hundred thirty-eight thousand, ninety-three".