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122326513 is a prime number
BaseRepresentation
bin1110100101010…
…00110111110001
322112011211102121
413102220313301
5222303422023
620045514241
73013521031
oct722506761
9275154377
10122326513
11630607a1
1234b72981
131c45cb6a
14123638c1
15ab14d5d
hex74a8df1

122326513 has 2 divisors, whose sum is σ = 122326514. Its totient is φ = 122326512.

The previous prime is 122326507. The next prime is 122326531. The reversal of 122326513 is 315623221.

Together with next prime (122326531) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 87834384 + 34492129 = 9372^2 + 5873^2 .

It is a cyclic number.

It is not a de Polignac number, because 122326513 - 213 = 122318321 is a prime.

It is not a weakly prime, because it can be changed into another prime (122326613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61163256 + 61163257.

It is an arithmetic number, because the mean of its divisors is an integer number (61163257).

Almost surely, 2122326513 is an apocalyptic number.

It is an amenable number.

122326513 is a deficient number, since it is larger than the sum of its proper divisors (1).

122326513 is an equidigital number, since it uses as much as digits as its factorization.

122326513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2160, while the sum is 25.

The square root of 122326513 is about 11060.1316899936. The cubic root of 122326513 is about 496.4096308758.

Adding to 122326513 its reverse (315623221), we get a palindrome (437949734).

The spelling of 122326513 in words is "one hundred twenty-two million, three hundred twenty-six thousand, five hundred thirteen".