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125948279 is a prime number
BaseRepresentation
bin1111000000111…
…01000101110111
322202222211120002
413200131011313
5224220321104
620255301515
73056354102
oct740350567
9282884502
10125948279
1165104896
123621a89b
132012a512
1412a27739
15b0cd01e
hex781d177

125948279 has 2 divisors, whose sum is σ = 125948280. Its totient is φ = 125948278.

The previous prime is 125948243. The next prime is 125948293. The reversal of 125948279 is 972849521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 125948279 - 212 = 125944183 is a prime.

It is a Sophie Germain 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 (125948239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62974139 + 62974140.

It is an arithmetic number, because the mean of its divisors is an integer number (62974140).

Almost surely, 2125948279 is an apocalyptic number.

125948279 is a deficient number, since it is larger than the sum of its proper divisors (1).

125948279 is an equidigital number, since it uses as much as digits as its factorization.

125948279 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 362880, while the sum is 47.

The square root of 125948279 is about 11222.6680874024. The cubic root of 125948279 is about 501.2611881343.

The spelling of 125948279 in words is "one hundred twenty-five million, nine hundred forty-eight thousand, two hundred seventy-nine".