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126842827 is a prime number
BaseRepresentation
bin1111000111101…
…11011111001011
322211200021122111
413203313133023
5224432432302
620330403151
73100101106
oct743673713
9284607574
10126842827
1165665991
12365904b7
1320381737
1412bbb73d
15b2080d7
hex78f77cb

126842827 has 2 divisors, whose sum is σ = 126842828. Its totient is φ = 126842826.

The previous prime is 126842791. The next prime is 126842857. The reversal of 126842827 is 728248621.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 126842827 - 219 = 126318539 is a prime.

It is a super-2 number, since 2×1268428272 = 32178205522703858, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 126842827.

It is not a weakly prime, because it can be changed into another prime (126842857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63421413 + 63421414.

It is an arithmetic number, because the mean of its divisors is an integer number (63421414).

Almost surely, 2126842827 is an apocalyptic number.

126842827 is a deficient number, since it is larger than the sum of its proper divisors (1).

126842827 is an equidigital number, since it uses as much as digits as its factorization.

126842827 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 86016, while the sum is 40.

The square root of 126842827 is about 11262.4520864686. The cubic root of 126842827 is about 502.4451258940.

The spelling of 126842827 in words is "one hundred twenty-six million, eight hundred forty-two thousand, eight hundred twenty-seven".