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126943 is a prime number
BaseRepresentation
bin11110111111011111
320110010121
4132333133
513030233
62415411
71036045
oct367737
9213117
10126943
1187413
1261567
1345a1b
1434395
152792d
hex1efdf

126943 has 2 divisors, whose sum is σ = 126944. Its totient is φ = 126942.

The previous prime is 126923. The next prime is 126949. The reversal of 126943 is 349621.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 126943 - 213 = 118751 is a prime.

It is a super-2 number, since 2×1269432 = 32229050498, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63471 + 63472.

It is an arithmetic number, because the mean of its divisors is an integer number (63472).

2126943 is an apocalyptic number.

126943 is a deficient number, since it is larger than the sum of its proper divisors (1).

126943 is an equidigital number, since it uses as much as digits as its factorization.

126943 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1296, while the sum is 25.

The square root of 126943 is about 356.2906117203. The cubic root of 126943 is about 50.2577358287.

The spelling of 126943 in words is "one hundred twenty-six thousand, nine hundred forty-three".