1128717963 has 16 divisors (see below), whose sum is σ = 1673011200. Its totient is φ = 752102280.

The previous prime is 1128717959. The next prime is 1128717983. The reversal of 1128717963 is 3697178211.

1128717963 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 1128717963 - 2² = 1128717959 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1128717983) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51118 + ... + 69788.

It is an arithmetic number, because the mean of its divisors is an integer number (104563200).

Almost surely, 2^1128717963 is an apocalyptic number.

1128717963 is a deficient number, since it is larger than the sum of its proper divisors (544293237).

1128717963 is a wasteful number, since it uses less digits than its factorization.

1128717963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20919 (or 20913 counting only the distinct ones).

The product of its digits is 127008, while the sum is 45.

The square root of 1128717963 is about 33596.3980658641. The cubic root of 1128717963 is about 1041.1863812650.

The spelling of 1128717963 in words is "one billion, one hundred twenty-eight million, seven hundred seventeen thousand, nine hundred sixty-three".