Search a number
-
+
1128233 is a prime number
BaseRepresentation
bin100010011011100101001
32010022122102
410103130221
5242100413
640103145
712406211
oct4233451
92108572
101128233
11700727
12464ab5
133066c2
14215241
15174458
hex113729

1128233 has 2 divisors, whose sum is σ = 1128234. Its totient is φ = 1128232.

The previous prime is 1128227. The next prime is 1128247. The reversal of 1128233 is 3328211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1098304 + 29929 = 1048^2 + 173^2 .

It is a cyclic number.

It is not a de Polignac number, because 1128233 - 210 = 1127209 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1128223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 564116 + 564117.

It is an arithmetic number, because the mean of its divisors is an integer number (564117).

21128233 is an apocalyptic number.

It is an amenable number.

1128233 is a deficient number, since it is larger than the sum of its proper divisors (1).

1128233 is an equidigital number, since it uses as much as digits as its factorization.

1128233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 288, while the sum is 20.

The square root of 1128233 is about 1062.1831292202. The cubic root of 1128233 is about 104.1037241792.

The spelling of 1128233 in words is "one million, one hundred twenty-eight thousand, two hundred thirty-three".