1128293 has 2 divisors, whose sum is σ = 1128294. Its totient is φ = 1128292.

The previous prime is 1128289. The next prime is 1128299. The reversal of 1128293 is 3928211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1014049 + 114244 = 1007^2 + 338^2 .

It is a cyclic number.

It is not a de Polignac number, because 1128293 - 2² = 1128289 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1128299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 564146 + 564147.

It is an arithmetic number, because the mean of its divisors is an integer number (564147).

2^1128293 is an apocalyptic number.

It is an amenable number.

1128293 is a deficient number, since it is larger than the sum of its proper divisors (1).

1128293 is an equidigital number, since it uses as much as digits as its factorization.

1128293 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 864, while the sum is 26.

The square root of 1128293 is about 1062.2113725620. The cubic root of 1128293 is about 104.1055695760.

The spelling of 1128293 in words is "one million, one hundred twenty-eight thousand, two hundred ninety-three".