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125297171 is a prime number
BaseRepresentation
bin1110111011111…
…10001000010011
322201202202101222
413131332020103
5224034002141
620233315255
73051002606
oct735761023
9281682358
10125297171
11647aa68a
1235b65b2b
131cc6004c
14128d833d
15b00014b
hex777e213

125297171 has 2 divisors, whose sum is σ = 125297172. Its totient is φ = 125297170.

The previous prime is 125297119. The next prime is 125297201. The reversal of 125297171 is 171792521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 125297171 - 214 = 125280787 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (125297101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62648585 + 62648586.

It is an arithmetic number, because the mean of its divisors is an integer number (62648586).

Almost surely, 2125297171 is an apocalyptic number.

125297171 is a deficient number, since it is larger than the sum of its proper divisors (1).

125297171 is an equidigital number, since it uses as much as digits as its factorization.

125297171 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8820, while the sum is 35.

The square root of 125297171 is about 11193.6218892725. The cubic root of 125297171 is about 500.3959144208.

The spelling of 125297171 in words is "one hundred twenty-five million, two hundred ninety-seven thousand, one hundred seventy-one".