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122042717 is a prime number
BaseRepresentation
bin1110100011000…
…11100101011101
322111122102010122
413101203211131
5222220331332
620035444325
73011226446
oct721434535
9274572118
10122042717
1162987555
1234a566a5
131c390934
14122cc2cd
15aaaac12
hex746395d

122042717 has 2 divisors, whose sum is σ = 122042718. Its totient is φ = 122042716.

The previous prime is 122042699. The next prime is 122042747. The reversal of 122042717 is 717240221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 68079001 + 53963716 = 8251^2 + 7346^2 .

It is a cyclic number.

It is not a de Polignac number, because 122042717 - 26 = 122042653 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122042747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61021358 + 61021359.

It is an arithmetic number, because the mean of its divisors is an integer number (61021359).

Almost surely, 2122042717 is an apocalyptic number.

It is an amenable number.

122042717 is a deficient number, since it is larger than the sum of its proper divisors (1).

122042717 is an equidigital number, since it uses as much as digits as its factorization.

122042717 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1568, while the sum is 26.

The square root of 122042717 is about 11047.2945556819. The cubic root of 122042717 is about 496.0254455490.

Adding to 122042717 its reverse (717240221), we get a palindrome (839282938).

The spelling of 122042717 in words is "one hundred twenty-two million, forty-two thousand, seven hundred seventeen".