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1221083 is a prime number
BaseRepresentation
bin100101010000111011011
32022001000022
410222013123
5303033313
642101055
713244003
oct4520733
92261008
101221083
11764466
124aa78b
13339a46
1423b003
15191c08
hex12a1db

1221083 has 2 divisors, whose sum is σ = 1221084. Its totient is φ = 1221082.

The previous prime is 1221079. The next prime is 1221089. The reversal of 1221083 is 3801221.

It is a weak prime.

It is an emirp because it is prime and its reverse (3801221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1221083 - 22 = 1221079 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1221089) 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, 610541 + 610542.

It is an arithmetic number, because the mean of its divisors is an integer number (610542).

21221083 is an apocalyptic number.

1221083 is a deficient number, since it is larger than the sum of its proper divisors (1).

1221083 is an equidigital number, since it uses as much as digits as its factorization.

1221083 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1221083 is about 1105.0262440322. The cubic root of 1221083 is about 106.8845816336.

The spelling of 1221083 in words is "one million, two hundred twenty-one thousand, eighty-three".