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BaseRepresentation
bin11111101010101011
320120220222
4133222223
513122312
62440255
71050104
oct375253
9216828
10129707
11894a6
126308b
1347066
14353ab
1528672
hex1faab

129707 has 2 divisors, whose sum is σ = 129708. Its totient is φ = 129706.

The previous prime is 129671. The next prime is 129719. The reversal of 129707 is 707921.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 129707 - 26 = 129643 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (129737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64853 + 64854.

It is an arithmetic number, because the mean of its divisors is an integer number (64854).

2129707 is an apocalyptic number.

129707 is a deficient number, since it is larger than the sum of its proper divisors (1).

129707 is an equidigital number, since it uses as much as digits as its factorization.

129707 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 882, while the sum is 26.

The square root of 129707 is about 360.1485804498. The cubic root of 129707 is about 50.6198831388.

The spelling of 129707 in words is "one hundred twenty-nine thousand, seven hundred seven".