1128698 has 16 divisors (see below), whose sum is σ = 1817640. Its totient is φ = 523776.

The previous prime is 1128697. The next prime is 1128703. The reversal of 1128698 is 8968211.

It can be written as a sum of positive squares in 4 ways, for example, as 966289 + 162409 = 983^2 + 403^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1128691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2840 + ... + 3212.

2^1128698 is an apocalyptic number.

1128698 is a deficient number, since it is larger than the sum of its proper divisors (688942).

1128698 is a wasteful number, since it uses less digits than its factorization.

1128698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481.

The product of its digits is 6912, while the sum is 35.

The square root of 1128698 is about 1062.4019954801. The cubic root of 1128698 is about 104.1180242936.

The spelling of 1128698 in words is "one million, one hundred twenty-eight thousand, six hundred ninety-eight".