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125017069 is a prime number
BaseRepresentation
bin1110111001110…
…01101111101101
322201020112011211
413130321233231
5224001021234
620223314421
73045425152
oct734715755
9281215154
10125017069
11646291a1
1235a4ba11
131cb926c8
1412864229
15ae97164
hex7739bed

125017069 has 2 divisors, whose sum is σ = 125017070. Its totient is φ = 125017068.

The previous prime is 125017051. The next prime is 125017091. The reversal of 125017069 is 960710521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 100761444 + 24255625 = 10038^2 + 4925^2 .

It is a cyclic number.

It is not a de Polignac number, because 125017069 - 25 = 125017037 is a prime.

It is a super-2 number, since 2×1250170692 = 31258535082701522, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 125017069.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125017049) 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, 62508534 + 62508535.

It is an arithmetic number, because the mean of its divisors is an integer number (62508535).

Almost surely, 2125017069 is an apocalyptic number.

It is an amenable number.

125017069 is a deficient number, since it is larger than the sum of its proper divisors (1).

125017069 is an equidigital number, since it uses as much as digits as its factorization.

125017069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3780, while the sum is 31.

The square root of 125017069 is about 11181.1032103277. The cubic root of 125017069 is about 500.0227576308.

The spelling of 125017069 in words is "one hundred twenty-five million, seventeen thousand, sixty-nine".