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122374520717 is a prime number
BaseRepresentation
bin111000111111000010…
…1101111111110001101
3102200212111020202120012
41301332011233332031
54001110334130332
6132115034403005
711561361156221
oct1617605577615
9380774222505
10122374520717
1147998254739
121b872b90465
13b703121907
145ccc852781
1532b36973b2
hex1c7e16ff8d

122374520717 has 2 divisors, whose sum is σ = 122374520718. Its totient is φ = 122374520716.

The previous prime is 122374520669. The next prime is 122374520743. The reversal of 122374520717 is 717025473221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 103404692356 + 18969828361 = 321566^2 + 137731^2 .

It is a cyclic number.

It is not a de Polignac number, because 122374520717 - 214 = 122374504333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122374520777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61187260358 + 61187260359.

It is an arithmetic number, because the mean of its divisors is an integer number (61187260359).

Almost surely, 2122374520717 is an apocalyptic number.

It is an amenable number.

122374520717 is a deficient number, since it is larger than the sum of its proper divisors (1).

122374520717 is an equidigital number, since it uses as much as digits as its factorization.

122374520717 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 164640, while the sum is 41.

Adding to 122374520717 its reverse (717025473221), we get a palindrome (839399993938).

The spelling of 122374520717 in words is "one hundred twenty-two billion, three hundred seventy-four million, five hundred twenty thousand, seven hundred seventeen".