1128219 has 16 divisors (see below), whose sum is σ = 1596672. Its totient is φ = 707168.

The previous prime is 1128209. The next prime is 1128223. The reversal of 1128219 is 9128211.

It is a cyclic number.

It is not a de Polignac number, because 1128219 - 2⁷ = 1128091 is a prime.

It is a super-2 number, since 2×1128219² = 2545756223922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1128209) 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 15 ways as a sum of consecutive naturals, for example, 5629 + ... + 5825.

It is an arithmetic number, because the mean of its divisors is an integer number (99792).

2^1128219 is an apocalyptic number.

1128219 is a deficient number, since it is larger than the sum of its proper divisors (468453).

1128219 is a wasteful number, since it uses less digits than its factorization.

1128219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306.

The product of its digits is 288, while the sum is 24.

The square root of 1128219 is about 1062.1765389990. The cubic root of 1128219 is about 104.1032935772.

The spelling of 1128219 in words is "one million, one hundred twenty-eight thousand, two hundred nineteen".