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122806373 is a prime number
BaseRepresentation
bin1110101000111…
…10000001100101
322120002012200012
413110132001211
5222414300443
620104100005
73020560034
oct724360145
9276065605
10122806373
1163359278
1235164605
131c59a3c1
141244a71b
15abac118
hex751e065

122806373 has 2 divisors, whose sum is σ = 122806374. Its totient is φ = 122806372.

The previous prime is 122806363. The next prime is 122806379. The reversal of 122806373 is 373608221.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 81036004 + 41770369 = 9002^2 + 6463^2 .

It is a cyclic number.

It is not a de Polignac number, because 122806373 - 26 = 122806309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122806379) 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, 61403186 + 61403187.

It is an arithmetic number, because the mean of its divisors is an integer number (61403187).

Almost surely, 2122806373 is an apocalyptic number.

It is an amenable number.

122806373 is a deficient number, since it is larger than the sum of its proper divisors (1).

122806373 is an equidigital number, since it uses as much as digits as its factorization.

122806373 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 122806373 is about 11081.8036889308. The cubic root of 122806373 is about 497.0578858851.

The spelling of 122806373 in words is "one hundred twenty-two million, eight hundred six thousand, three hundred seventy-three".