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108426121 is a prime number
BaseRepresentation
bin1100111011001…
…11001110001001
321120000121200021
412131213032021
5210224113441
614431540441
72454415066
oct635471611
9246017607
10108426121
1156227171
123038a721
1319603b8b
1410585c6d
1597bb3d1
hex6767389

108426121 has 2 divisors, whose sum is σ = 108426122. Its totient is φ = 108426120.

The previous prime is 108426089. The next prime is 108426161. The reversal of 108426121 is 121624801.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 104264521 + 4161600 = 10211^2 + 2040^2 .

It is an emirp because it is prime and its reverse (121624801) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 108426121 - 25 = 108426089 is a prime.

It is not a weakly prime, because it can be changed into another prime (108426161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54213060 + 54213061.

It is an arithmetic number, because the mean of its divisors is an integer number (54213061).

Almost surely, 2108426121 is an apocalyptic number.

It is an amenable number.

108426121 is a deficient number, since it is larger than the sum of its proper divisors (1).

108426121 is an equidigital number, since it uses as much as digits as its factorization.

108426121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 108426121 is about 10412.7864186297. The cubic root of 108426121 is about 476.8458130372.

The spelling of 108426121 in words is "one hundred eight million, four hundred twenty-six thousand, one hundred twenty-one".