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122003317 is a prime number
BaseRepresentation
bin1110100010110…
…01111101110101
322111120102002101
413101121331311
5222213101232
620034542101
73011003542
oct721317565
9274512071
10122003317
116295a997
1234a37931
131c378a17
14122bbbc9
15aa9e1e7
hex7459f75

122003317 has 2 divisors, whose sum is σ = 122003318. Its totient is φ = 122003316.

The previous prime is 122003311. The next prime is 122003359. The reversal of 122003317 is 713300221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 121682961 + 320356 = 11031^2 + 566^2 .

It is an emirp because it is prime and its reverse (713300221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122003317 - 23 = 122003309 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122003294 and 122003303.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122003311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61001658 + 61001659.

It is an arithmetic number, because the mean of its divisors is an integer number (61001659).

Almost surely, 2122003317 is an apocalyptic number.

It is an amenable number.

122003317 is a deficient number, since it is larger than the sum of its proper divisors (1).

122003317 is an equidigital number, since it uses as much as digits as its factorization.

122003317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 122003317 is about 11045.5111697015. The cubic root of 122003317 is about 495.9720612190.

Adding to 122003317 its reverse (713300221), we get a palindrome (835303538).

The spelling of 122003317 in words is "one hundred twenty-two million, three thousand, three hundred seventeen".