1115928 has 48 divisors (see below), whose sum is σ = 3299400. Its totient is φ = 337920.

The previous prime is 1115923. The next prime is 1115929. The reversal of 1115928 is 8295111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1115923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 88 + ... + 1496.

2^1115928 is an apocalyptic number.

1115928 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1115928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1649700).

1115928 is an abundant number, since it is smaller than the sum of its proper divisors (2183472).

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

1115928 is a wasteful number, since it uses less digits than its factorization.

1115928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1432 (or 1425 counting only the distinct ones).

The product of its digits is 720, while the sum is 27.

The square root of 1115928 is about 1056.3749334398. The cubic root of 1115928 is about 103.7238730359.

The spelling of 1115928 in words is "one million, one hundred fifteen thousand, nine hundred twenty-eight".