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125250287 is a prime number
BaseRepresentation
bin1110111011100…
…10101011101111
322201200101002112
413131302223233
5224031002122
620232314235
73050416121
oct735625357
9281611075
10125250287
1164778438
1235b4297b
131cc448c6
14128c5211
15aee12e2
hex7772aef

125250287 has 2 divisors, whose sum is σ = 125250288. Its totient is φ = 125250286.

The previous prime is 125250283. The next prime is 125250343. The reversal of 125250287 is 782052521.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 125250287 - 22 = 125250283 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125250283) 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, 62625143 + 62625144.

It is an arithmetic number, because the mean of its divisors is an integer number (62625144).

Almost surely, 2125250287 is an apocalyptic number.

125250287 is a deficient number, since it is larger than the sum of its proper divisors (1).

125250287 is an equidigital number, since it uses as much as digits as its factorization.

125250287 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11200, while the sum is 32.

The square root of 125250287 is about 11191.5274650067. The cubic root of 125250287 is about 500.3334935147. Note that the first 3 decimals are identical.

The spelling of 125250287 in words is "one hundred twenty-five million, two hundred fifty thousand, two hundred eighty-seven".