1128868 has 24 divisors (see below), whose sum is σ = 2254392. Its totient is φ = 489984.

The previous prime is 1128823. The next prime is 1128889. The reversal of 1128868 is 8688211.

It can be written as a sum of positive squares in 4 ways, for example, as 191844 + 937024 = 438^2 + 968^2 .

It is a super-2 number, since 2×1128868² = 2548685922848, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 246 + ... + 1522.

It is an arithmetic number, because the mean of its divisors is an integer number (93933).

2^1128868 is an apocalyptic number.

It is an amenable number.

1128868 is a deficient number, since it is larger than the sum of its proper divisors (1125524).

1128868 is a wasteful number, since it uses less digits than its factorization.

1128868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1311 (or 1309 counting only the distinct ones).

The product of its digits is 6144, while the sum is 34.

The square root of 1128868 is about 1062.4819998475. The cubic root of 1128868 is about 104.1232513120.

The spelling of 1128868 in words is "one million, one hundred twenty-eight thousand, eight hundred sixty-eight".