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125827841 is a prime number
BaseRepresentation
bin1110111111111…
…11101100000001
322202202201100102
413133333230001
5224202442331
620252532145
73055343006
oct737775401
9282681312
10125827841
1165032357
1236181055
13200b7759
14129d58ad
15b0a74cb
hex77ffb01

125827841 has 2 divisors, whose sum is σ = 125827842. Its totient is φ = 125827840.

The previous prime is 125827817. The next prime is 125827843. The reversal of 125827841 is 148728521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 95961616 + 29866225 = 9796^2 + 5465^2 .

It is a cyclic number.

It is not a de Polignac number, because 125827841 - 210 = 125826817 is a prime.

Together with 125827843, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 125827795 and 125827804.

It is not a weakly prime, because it can be changed into another prime (125827843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62913920 + 62913921.

It is an arithmetic number, because the mean of its divisors is an integer number (62913921).

Almost surely, 2125827841 is an apocalyptic number.

It is an amenable number.

125827841 is a deficient number, since it is larger than the sum of its proper divisors (1).

125827841 is an equidigital number, since it uses as much as digits as its factorization.

125827841 is an evil number, because the sum of its binary digits is even.

The product of its digits is 35840, while the sum is 38.

The square root of 125827841 is about 11217.3009677016. The cubic root of 125827841 is about 501.1013602300.

The spelling of 125827841 in words is "one hundred twenty-five million, eight hundred twenty-seven thousand, eight hundred forty-one".