1128733469 has 2 divisors, whose sum is σ = 1128733470. Its totient is φ = 1128733468.

The previous prime is 1128733453. The next prime is 1128733481. The reversal of 1128733469 is 9643378211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1126407844 + 2325625 = 33562^2 + 1525^2 .

It is an emirp because it is prime and its reverse (9643378211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1128733469 - 2⁴ = 1128733453 is a prime.

It is a super-3 number, since 3×1128733469³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1128733169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 564366734 + 564366735.

It is an arithmetic number, because the mean of its divisors is an integer number (564366735).

Almost surely, 2^1128733469 is an apocalyptic number.

It is an amenable number.

1128733469 is a deficient number, since it is larger than the sum of its proper divisors (1).

1128733469 is an equidigital number, since it uses as much as digits as its factorization.

1128733469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 217728, while the sum is 44.

The square root of 1128733469 is about 33596.6288338577. The cubic root of 1128733469 is about 1041.1911490820.

The spelling of 1128733469 in words is "one billion, one hundred twenty-eight million, seven hundred thirty-three thousand, four hundred sixty-nine".