1128206 has 4 divisors (see below), whose sum is σ = 1692312. Its totient is φ = 564102.

The previous prime is 1128181. The next prime is 1128209. The reversal of 1128206 is 6028211.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1128209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282050 + ... + 282053.

It is an arithmetic number, because the mean of its divisors is an integer number (423078).

2^1128206 is an apocalyptic number.

1128206 is a deficient number, since it is larger than the sum of its proper divisors (564106).

1128206 is an equidigital number, since it uses as much as digits as its factorization.

1128206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564105.

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 1128206 is about 1062.1704194714. The cubic root of 1128206 is about 104.1028937293.

The spelling of 1128206 in words is "one million, one hundred twenty-eight thousand, two hundred six".