1128917092 has 24 divisors (see below), whose sum is σ = 2012119200. Its totient is φ = 554054976.

The previous prime is 1128917077. The next prime is 1128917093. The reversal of 1128917092 is 2907198211.

It is not an unprimeable number, because it can be changed into a prime (1128917093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 171168 + ... + 177640.

It is an arithmetic number, because the mean of its divisors is an integer number (83838300).

Almost surely, 2^1128917092 is an apocalyptic number.

It is an amenable number.

1128917092 is a deficient number, since it is larger than the sum of its proper divisors (883202108).

1128917092 is a wasteful number, since it uses less digits than its factorization.

1128917092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7275 (or 7273 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 40.

The square root of 1128917092 is about 33599.3614820282. The cubic root of 1128917092 is about 1041.2476065425.

The spelling of 1128917092 in words is "one billion, one hundred twenty-eight million, nine hundred seventeen thousand, ninety-two".