1128235259 has 2 divisors, whose sum is σ = 1128235260. Its totient is φ = 1128235258.

The previous prime is 1128235217. The next prime is 1128235267. The reversal of 1128235259 is 9525328211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1128235259 - 2¹⁶ = 1128169723 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1128205259) 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, 564117629 + 564117630.

It is an arithmetic number, because the mean of its divisors is an integer number (564117630).

Almost surely, 2^1128235259 is an apocalyptic number.

1128235259 is a deficient number, since it is larger than the sum of its proper divisors (1).

1128235259 is an equidigital number, since it uses as much as digits as its factorization.

1128235259 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 43200, while the sum is 38.

The square root of 1128235259 is about 33589.2134322910. The cubic root of 1128235259 is about 1041.0379365962.

The spelling of 1128235259 in words is "one billion, one hundred twenty-eight million, two hundred thirty-five thousand, two hundred fifty-nine".