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126132647 is a prime number
BaseRepresentation
bin1111000010010…
…10000110100111
322210100012110112
413201022012213
5224242221042
620303243235
73061052444
oct741120647
9283305415
10126132647
1165220363
12362a951b
1320193404
1412a749cb
15b117982
hex784a1a7

126132647 has 2 divisors, whose sum is σ = 126132648. Its totient is φ = 126132646.

The previous prime is 126132607. The next prime is 126132649. The reversal of 126132647 is 746231621.

It is a strong prime.

It is an emirp because it is prime and its reverse (746231621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 126132647 - 212 = 126128551 is a prime.

Together with 126132649, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126132649) 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, 63066323 + 63066324.

It is an arithmetic number, because the mean of its divisors is an integer number (63066324).

Almost surely, 2126132647 is an apocalyptic number.

126132647 is a deficient number, since it is larger than the sum of its proper divisors (1).

126132647 is an equidigital number, since it uses as much as digits as its factorization.

126132647 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 32.

The square root of 126132647 is about 11230.8791730657. The cubic root of 126132647 is about 501.5056574402.

The spelling of 126132647 in words is "one hundred twenty-six million, one hundred thirty-two thousand, six hundred forty-seven".