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125471069 is a prime number
BaseRepresentation
bin1110111101010…
…00100101011101
322202002120221122
413132220211131
5224110033234
620241140325
73052325603
oct736504535
9282076848
10125471069
11649092a9
123602a6a5
131ccc1249
1412941873
15b03692e
hex77a895d

125471069 has 2 divisors, whose sum is σ = 125471070. Its totient is φ = 125471068.

The previous prime is 125471063. The next prime is 125471113. The reversal of 125471069 is 960174521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 100600900 + 24870169 = 10030^2 + 4987^2 .

It is a cyclic number.

It is not a de Polignac number, because 125471069 - 24 = 125471053 is a prime.

It is a super-2 number, since 2×1254710692 = 31485978312005522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125471063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62735534 + 62735535.

It is an arithmetic number, because the mean of its divisors is an integer number (62735535).

Almost surely, 2125471069 is an apocalyptic number.

It is an amenable number.

125471069 is a deficient number, since it is larger than the sum of its proper divisors (1).

125471069 is an equidigital number, since it uses as much as digits as its factorization.

125471069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 125471069 is about 11201.3869230556. The cubic root of 125471069 is about 500.6273046486.

The spelling of 125471069 in words is "one hundred twenty-five million, four hundred seventy-one thousand, sixty-nine".