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122011 is a prime number
BaseRepresentation
bin11101110010011011
320012100221
4131302123
512401021
62340511
71015501
oct356233
9205327
10122011
118373a
125a737
13436c6
1432671
1526241
hex1dc9b

122011 has 2 divisors, whose sum is σ = 122012. Its totient is φ = 122010.

The previous prime is 121997. The next prime is 122021. The reversal of 122011 is 110221.

It is a strong prime.

It is an emirp because it is prime and its reverse (110221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122011 - 27 = 121883 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121985 and 122003.

It is not a weakly prime, because it can be changed into another prime (122021) 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, 61005 + 61006.

It is an arithmetic number, because the mean of its divisors is an integer number (61006).

2122011 is an apocalyptic number.

122011 is a deficient number, since it is larger than the sum of its proper divisors (1).

122011 is an equidigital number, since it uses as much as digits as its factorization.

122011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4, while the sum is 7.

The square root of 122011 is about 349.3007300307. The cubic root of 122011 is about 49.5982472065.

Adding to 122011 its reverse (110221), we get a palindrome (232232).

The spelling of 122011 in words is "one hundred twenty-two thousand, eleven", and thus it is an iban number.