1153128 has 32 divisors (see below), whose sum is σ = 3009600. Its totient is φ = 367488.

The previous prime is 1153123. The next prime is 1153147. The reversal of 1153128 is 8213511.

It is not an unprimeable number, because it can be changed into a prime (1153123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 493 + ... + 1596.

It is an arithmetic number, because the mean of its divisors is an integer number (94050).

2^1153128 is an apocalyptic number.

It is an amenable number.

1153128 is an abundant number, since it is smaller than the sum of its proper divisors (1856472).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1153128 is a wasteful number, since it uses less digits than its factorization.

1153128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2121 (or 2117 counting only the distinct ones).

The product of its digits is 240, while the sum is 21.

The square root of 1153128 is about 1073.8379766054. The cubic root of 1153128 is about 104.8638598418.

Adding to 1153128 its reverse (8213511), we get a palindrome (9366639).

The spelling of 1153128 in words is "one million, one hundred fifty-three thousand, one hundred twenty-eight".