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1123349 is a prime number
BaseRepresentation
bin100010010010000010101
32010001221112
410102100111
5241421344
640024405
712356033
oct4222025
92101845
101123349
116a7a97
12462105
13304406
14213553
15172c9e
hex112415

1123349 has 2 divisors, whose sum is σ = 1123350. Its totient is φ = 1123348.

The previous prime is 1123327. The next prime is 1123351. The reversal of 1123349 is 9433211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1036324 + 87025 = 1018^2 + 295^2 .

It is a cyclic number.

It is not a de Polignac number, because 1123349 - 28 = 1123093 is a prime.

Together with 1123351, it forms a pair of twin primes.

It is a Chen prime.

It is a plaindrome in base 10.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1123319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561674 + 561675.

It is an arithmetic number, because the mean of its divisors is an integer number (561675).

21123349 is an apocalyptic number.

It is an amenable number.

1123349 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123349 is an equidigital number, since it uses as much as digits as its factorization.

1123349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 648, while the sum is 23.

The square root of 1123349 is about 1059.8815971607. The cubic root of 1123349 is about 103.9532889343.

The spelling of 1123349 in words is "one million, one hundred twenty-three thousand, three hundred forty-nine".