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1272233 is a prime number
BaseRepresentation
bin100110110100110101001
32101122011202
410312212221
5311202413
643133545
713546064
oct4664651
92348152
101272233
11799936
125142b5
13357101
142518db
151a1e58
hex1369a9

1272233 has 2 divisors, whose sum is σ = 1272234. Its totient is φ = 1272232.

The previous prime is 1272223. The next prime is 1272247. The reversal of 1272233 is 3322721.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 652864 + 619369 = 808^2 + 787^2 .

It is an emirp because it is prime and its reverse (3322721) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1272233 - 26 = 1272169 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1272203) 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 as a sum of consecutive naturals, namely, 636116 + 636117.

It is an arithmetic number, because the mean of its divisors is an integer number (636117).

21272233 is an apocalyptic number.

It is an amenable number.

1272233 is a deficient number, since it is larger than the sum of its proper divisors (1).

1272233 is an equidigital number, since it uses as much as digits as its factorization.

1272233 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 504, while the sum is 20.

The square root of 1272233 is about 1127.9330653900. The cubic root of 1272233 is about 108.3566456077.

Adding to 1272233 its reverse (3322721), we get a palindrome (4594954).

The spelling of 1272233 in words is "one million, two hundred seventy-two thousand, two hundred thirty-three".