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122100317 is a prime number
BaseRepresentation
bin1110100011100…
…01101001011101
322111202100010222
413101301221131
5222224202232
620041011125
73011556413
oct721615135
9274670128
10122100317
1162a16859
1234a83aa5
131c3b0c11
14123052b3
15aabcd12
hex7471a5d

122100317 has 2 divisors, whose sum is σ = 122100318. Its totient is φ = 122100316.

The previous prime is 122100301. The next prime is 122100343. The reversal of 122100317 is 713001221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 91508356 + 30591961 = 9566^2 + 5531^2 .

It is a cyclic number.

It is not a de Polignac number, because 122100317 - 24 = 122100301 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 122100295 and 122100304.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122100367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61050158 + 61050159.

It is an arithmetic number, because the mean of its divisors is an integer number (61050159).

Almost surely, 2122100317 is an apocalyptic number.

It is an amenable number.

122100317 is a deficient number, since it is larger than the sum of its proper divisors (1).

122100317 is an equidigital number, since it uses as much as digits as its factorization.

122100317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84, while the sum is 17.

The square root of 122100317 is about 11049.9012212780. The cubic root of 122100317 is about 496.1034689730.

Adding to 122100317 its reverse (713001221), we get a palindrome (835101538).

The spelling of 122100317 in words is "one hundred twenty-two million, one hundred thousand, three hundred seventeen".