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1226461 is a prime number
BaseRepresentation
bin100101011011011011101
32022022101111
410223123131
5303221321
642142021
713265455
oct4533335
92268344
101226461
11768505
124b1911
1333c322
1423cd65
151935e1
hex12b6dd

1226461 has 2 divisors, whose sum is σ = 1226462. Its totient is φ = 1226460.

The previous prime is 1226417. The next prime is 1226471. The reversal of 1226461 is 1646221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1071225 + 155236 = 1035^2 + 394^2 .

It is an emirp because it is prime and its reverse (1646221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1226461 - 29 = 1225949 is a prime.

It is equal to p94801 and since 1226461 and 94801 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1226471) 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, 613230 + 613231.

It is an arithmetic number, because the mean of its divisors is an integer number (613231).

21226461 is an apocalyptic number.

It is an amenable number.

1226461 is a deficient number, since it is larger than the sum of its proper divisors (1).

1226461 is an equidigital number, since it uses as much as digits as its factorization.

1226461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 576, while the sum is 22.

The square root of 1226461 is about 1107.4569969078. The cubic root of 1226461 is about 107.0412686184.

The spelling of 1226461 in words is "one million, two hundred twenty-six thousand, four hundred sixty-one".