1128892 has 12 divisors (see below), whose sum is σ = 1983520. Its totient is φ = 562176.

The previous prime is 1128889. The next prime is 1128899. The reversal of 1128892 is 2988211.

It is a happy number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1128899) 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 3 ways as a sum of consecutive naturals, for example, 1084 + ... + 1852.

2^1128892 is an apocalyptic number.

It is an amenable number.

1128892 is a deficient number, since it is larger than the sum of its proper divisors (854628).

1128892 is a wasteful number, since it uses less digits than its factorization.

1128892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1140 (or 1138 counting only the distinct ones).

The product of its digits is 2304, while the sum is 31.

The square root of 1128892 is about 1062.4932940965. The cubic root of 1128892 is about 104.1239892017.

The spelling of 1128892 in words is "one million, one hundred twenty-eight thousand, eight hundred ninety-two".