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1206223 is a prime number
BaseRepresentation
bin100100110011111001111
32021021121221
410212133033
5302044343
641504211
713152454
oct4463717
92237557
101206223
11754287
124a2067
13333055
1423582b
1518c5ed
hex1267cf

1206223 has 2 divisors, whose sum is σ = 1206224. Its totient is φ = 1206222.

The previous prime is 1206209. The next prime is 1206229. The reversal of 1206223 is 3226021.

It is a strong prime.

It is an emirp because it is prime and its reverse (3226021) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1206223 is a prime.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 1206197 and 1206206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1206229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 603111 + 603112.

It is an arithmetic number, because the mean of its divisors is an integer number (603112).

21206223 is an apocalyptic number.

1206223 is a deficient number, since it is larger than the sum of its proper divisors (1).

1206223 is an equidigital number, since it uses as much as digits as its factorization.

1206223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1206223 is about 1098.2818399664. The cubic root of 1206223 is about 106.4492326383.

The spelling of 1206223 in words is "one million, two hundred six thousand, two hundred twenty-three".