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125389241 is a prime number
BaseRepresentation
bin1110111100101…
…00100110111001
322201221102200222
413132110212321
5224044423431
620235305425
73051535205
oct736244671
9281842628
10125389241
116486287a
1235bab275
131cc92c23
141291db05
15b01c57b
hex77949b9

125389241 has 2 divisors, whose sum is σ = 125389242. Its totient is φ = 125389240.

The previous prime is 125389237. The next prime is 125389273. The reversal of 125389241 is 142983521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 72318016 + 53071225 = 8504^2 + 7285^2 .

It is a cyclic number.

It is not a de Polignac number, because 125389241 - 22 = 125389237 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (125389211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62694620 + 62694621.

It is an arithmetic number, because the mean of its divisors is an integer number (62694621).

Almost surely, 2125389241 is an apocalyptic number.

It is an amenable number.

125389241 is a deficient number, since it is larger than the sum of its proper divisors (1).

125389241 is an equidigital number, since it uses as much as digits as its factorization.

125389241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17280, while the sum is 35.

The square root of 125389241 is about 11197.7337439323. The cubic root of 125389241 is about 500.5184502329.

The spelling of 125389241 in words is "one hundred twenty-five million, three hundred eighty-nine thousand, two hundred forty-one".