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122317249 is a prime number
BaseRepresentation
bin1110100101001…
…10100111000001
322112011100201111
413102212213001
5222303122444
620045403321
73013452025
oct722464701
9275140644
10122317249
116305483a
1234b69541
131c458892
1412360385
15ab12234
hex74a69c1

122317249 has 2 divisors, whose sum is σ = 122317250. Its totient is φ = 122317248.

The previous prime is 122317213. The next prime is 122317297. The reversal of 122317249 is 942713221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 82083600 + 40233649 = 9060^2 + 6343^2 .

It is a cyclic number.

It is not a de Polignac number, because 122317249 - 219 = 121792961 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 122317249.

It is not a weakly prime, because it can be changed into another prime (122317049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61158624 + 61158625.

It is an arithmetic number, because the mean of its divisors is an integer number (61158625).

Almost surely, 2122317249 is an apocalyptic number.

It is an amenable number.

122317249 is a deficient number, since it is larger than the sum of its proper divisors (1).

122317249 is an equidigital number, since it uses as much as digits as its factorization.

122317249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6048, while the sum is 31.

The square root of 122317249 is about 11059.7128805408. The cubic root of 122317249 is about 496.3970992374.

It can be divided in two parts, 1223172 and 49, that added together give a palindrome (1223221).

The spelling of 122317249 in words is "one hundred twenty-two million, three hundred seventeen thousand, two hundred forty-nine".