1128529799 has 8 divisors (see below), whose sum is σ = 1180680192. Its totient is φ = 1076636440.

The previous prime is 1128529781. The next prime is 1128529811. The reversal of 1128529799 is 9979258211.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1128529799 - 2⁸ = 1128529543 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1128529799.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1128529099) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55247 + ... + 72864.

It is an arithmetic number, because the mean of its divisors is an integer number (147585024).

Almost surely, 2^1128529799 is an apocalyptic number.

1128529799 is a deficient number, since it is larger than the sum of its proper divisors (52150393).

1128529799 is a wasteful number, since it uses less digits than its factorization.

1128529799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128517.

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

The square root of 1128529799 is about 33593.5975894217. The cubic root of 1128529799 is about 1041.1285207281.

The spelling of 1128529799 in words is "one billion, one hundred twenty-eight million, five hundred twenty-nine thousand, seven hundred ninety-nine".