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126118841 is a prime number
BaseRepresentation
bin1111000010001…
…10101110111001
322210022111112012
413201012232321
5224241300331
620303055305
73060664262
oct741065671
9283274465
10126118841
1165210a52
12362a1535
132018a044
1412a6d969
15b11382b
hex7846bb9

126118841 has 2 divisors, whose sum is σ = 126118842. Its totient is φ = 126118840.

The previous prime is 126118787. The next prime is 126118843. The reversal of 126118841 is 148811621.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 124099600 + 2019241 = 11140^2 + 1421^2 .

It is a cyclic number.

It is not a de Polignac number, because 126118841 - 218 = 125856697 is a prime.

Together with 126118843, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 126118798 and 126118807.

It is not a weakly prime, because it can be changed into another prime (126118843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63059420 + 63059421.

It is an arithmetic number, because the mean of its divisors is an integer number (63059421).

Almost surely, 2126118841 is an apocalyptic number.

It is an amenable number.

126118841 is a deficient number, since it is larger than the sum of its proper divisors (1).

126118841 is an equidigital number, since it uses as much as digits as its factorization.

126118841 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3072, while the sum is 32.

The square root of 126118841 is about 11230.2645115776. The cubic root of 126118841 is about 501.4873591384.

It can be divided in two parts, 1261 and 18841, that added together give a palindrome (20102).

The spelling of 126118841 in words is "one hundred twenty-six million, one hundred eighteen thousand, eight hundred forty-one".