1128599297 has 16 divisors (see below), whose sum is σ = 1386608640. Its totient is φ = 896952528.

The previous prime is 1128599273. The next prime is 1128599317. The reversal of 1128599297 is 7929958211.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1128599297 - 2⁸ = 1128599041 is a prime.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1128599257) 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 in 15 ways as a sum of consecutive naturals, for example, 84023 + ... + 96524.

It is an arithmetic number, because the mean of its divisors is an integer number (86663040).

Almost surely, 2^1128599297 is an apocalyptic number.

It is an amenable number.

1128599297 is a deficient number, since it is larger than the sum of its proper divisors (258009343).

1128599297 is a wasteful number, since it uses less digits than its factorization.

1128599297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180620.

The product of its digits is 816480, while the sum is 53.

The square root of 1128599297 is about 33594.6319670271. The cubic root of 1128599297 is about 1041.1498921516.

The spelling of 1128599297 in words is "one billion, one hundred twenty-eight million, five hundred ninety-nine thousand, two hundred ninety-seven".