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125395841 is a prime number
BaseRepresentation
bin1110111100101…
…10001110000001
322201221202202102
413132112032001
5224100131331
620235400145
73051563354
oct736261601
9281852672
10125395841
116486782a
1235bb3055
131cc95c2c
141292229b
15b01e4cb
hex7796381

125395841 has 2 divisors, whose sum is σ = 125395842. Its totient is φ = 125395840.

The previous prime is 125395811. The next prime is 125395873. The reversal of 125395841 is 148593521.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 110986225 + 14409616 = 10535^2 + 3796^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-125395841 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 125395795 and 125395804.

It is not a weakly prime, because it can be changed into another prime (125395811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62697920 + 62697921.

It is an arithmetic number, because the mean of its divisors is an integer number (62697921).

Almost surely, 2125395841 is an apocalyptic number.

It is an amenable number.

125395841 is a deficient number, since it is larger than the sum of its proper divisors (1).

125395841 is an equidigital number, since it uses as much as digits as its factorization.

125395841 is an evil number, because the sum of its binary digits is even.

The product of its digits is 43200, while the sum is 38.

The square root of 125395841 is about 11198.0284425429. The cubic root of 125395841 is about 500.5272318577.

The spelling of 125395841 in words is "one hundred twenty-five million, three hundred ninety-five thousand, eight hundred forty-one".