1128663824 has 20 divisors (see below), whose sum is σ = 2211359580. Its totient is φ = 557990400.

The previous prime is 1128663817. The next prime is 1128663829. The reversal of 1128663824 is 4283668211.

It can be written as a sum of positive squares in 2 ways, for example, as 61465600 + 1067198224 = 7840^2 + 32668^2 .

It is not an unprimeable number, because it can be changed into a prime (1128663829) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 394877 + ... + 397724.

It is an arithmetic number, because the mean of its divisors is an integer number (110567979).

Almost surely, 2^1128663824 is an apocalyptic number.

It is an amenable number.

1128663824 is a deficient number, since it is larger than the sum of its proper divisors (1082695756).

1128663824 is an equidigital number, since it uses as much as digits as its factorization.

1128663824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 792698 (or 792692 counting only the distinct ones).

The product of its digits is 110592, while the sum is 41.

The square root of 1128663824 is about 33595.5923299471. The cubic root of 1128663824 is about 1041.1697341507.

The spelling of 1128663824 in words is "one billion, one hundred twenty-eight million, six hundred sixty-three thousand, eight hundred twenty-four".