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122443 is a prime number
BaseRepresentation
bin11101111001001011
320012221221
4131321023
512404233
62342511
71016656
oct357113
9205857
10122443
1183aa2
125aa37
1343969
143289d
152642d
hex1de4b

122443 has 2 divisors, whose sum is σ = 122444. Its totient is φ = 122442.

The previous prime is 122401. The next prime is 122449. The reversal of 122443 is 344221.

It is a strong prime.

It is an emirp because it is prime and its reverse (344221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122443 - 29 = 121931 is a prime.

It is not a weakly prime, because it can be changed into another prime (122449) 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, 61221 + 61222.

It is an arithmetic number, because the mean of its divisors is an integer number (61222).

2122443 is an apocalyptic number.

122443 is a deficient number, since it is larger than the sum of its proper divisors (1).

122443 is an equidigital number, since it uses as much as digits as its factorization.

122443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 192, while the sum is 16.

The square root of 122443 is about 349.9185619541. The cubic root of 122443 is about 49.6567151711.

Adding to 122443 its reverse (344221), we get a palindrome (466664).

It can be divided in two parts, 122 and 443, that added together give a palindrome (565).

The spelling of 122443 in words is "one hundred twenty-two thousand, four hundred forty-three", and thus it is an iban number.