1128059189 has 2 divisors, whose sum is σ = 1128059190. Its totient is φ = 1128059188.

The previous prime is 1128059167. The next prime is 1128059239. The reversal of 1128059189 is 9819508211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1100580625 + 27478564 = 33175^2 + 5242^2 .

It is an emirp because it is prime and its reverse (9819508211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1128059189 - 2²⁰ = 1127010613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1128059389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 564029594 + 564029595.

It is an arithmetic number, because the mean of its divisors is an integer number (564029595).

Almost surely, 2^1128059189 is an apocalyptic number.

It is an amenable number.

1128059189 is a deficient number, since it is larger than the sum of its proper divisors (1).

1128059189 is an equidigital number, since it uses as much as digits as its factorization.

1128059189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 44.

The square root of 1128059189 is about 33586.5923993489. The cubic root of 1128059189 is about 1040.9837797219.

The spelling of 1128059189 in words is "one billion, one hundred twenty-eight million, fifty-nine thousand, one hundred eighty-nine".