1128040 has 16 divisors (see below), whose sum is σ = 2538180. Its totient is φ = 451200.

The previous prime is 1128037. The next prime is 1128089. The reversal of 1128040 is 408211.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1127844 + 196 = 1062^2 + 14^2 .

It is a plaindrome in base 16.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14061 + ... + 14140.

2^1128040 is an apocalyptic number.

1128040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1128040 is an abundant number, since it is smaller than the sum of its proper divisors (1410140).

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

1128040 is a wasteful number, since it uses less digits than its factorization.

1128040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28212 (or 28208 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 1128040 is about 1062.0922747106. The cubic root of 1128040 is about 104.0977877091.

The spelling of 1128040 in words is "one million, one hundred twenty-eight thousand, forty".