1128910 has 16 divisors (see below), whose sum is σ = 2059200. Its totient is φ = 445536.

The previous prime is 1128901. The next prime is 1128917. The reversal of 1128910 is 198211.

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 (1128917) 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 7 ways as a sum of consecutive naturals, for example, 76 + ... + 1504.

It is an arithmetic number, because the mean of its divisors is an integer number (128700).

2^1128910 is an apocalyptic number.

1128910 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1128910 is a deficient number, since it is larger than the sum of its proper divisors (930290).

1128910 is a wasteful number, since it uses less digits than its factorization.

1128910 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1515.

The product of its (nonzero) digits is 144, while the sum is 22.

The square root of 1128910 is about 1062.5017647044. The cubic root of 1128910 is about 104.1245426122.

The spelling of 1128910 in words is "one million, one hundred twenty-eight thousand, nine hundred ten".