1128709659 has 144 divisors (see below), whose sum is σ = 2095994880. Its totient is φ = 536659200.

The previous prime is 1128709633. The next prime is 1128709693. The reversal of 1128709659 is 9569078211.

1128709659 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1128709659 - 2¹⁶ = 1128644123 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1128709619) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 12682087 + ... + 12682175.

It is an arithmetic number, because the mean of its divisors is an integer number (14555520).

Almost surely, 2^1128709659 is an apocalyptic number.

1128709659 is a deficient number, since it is larger than the sum of its proper divisors (967285221).

1128709659 is a wasteful number, since it uses less digits than its factorization.

1128709659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182 (or 164 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 48.

The square root of 1128709659 is about 33596.2744809599. The cubic root of 1128709659 is about 1041.1838279159.

The spelling of 1128709659 in words is "one billion, one hundred twenty-eight million, seven hundred nine thousand, six hundred fifty-nine".