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125068249 is a prime number
BaseRepresentation
bin1110111010001…
…10001111011001
322201100010101101
413131012033121
5224004140444
620224351401
73046030315
oct735061731
9281303341
10125068249
1164663699
1235a75561
131cbacaa7
1412878b45
15aea73d4
hex77463d9

125068249 has 2 divisors, whose sum is σ = 125068250. Its totient is φ = 125068248.

The previous prime is 125068247. The next prime is 125068261. The reversal of 125068249 is 942860521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 100861849 + 24206400 = 10043^2 + 4920^2 .

It is an emirp because it is prime and its reverse (942860521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 125068249 - 21 = 125068247 is a prime.

Together with 125068247, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (125068243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62534124 + 62534125.

It is an arithmetic number, because the mean of its divisors is an integer number (62534125).

Almost surely, 2125068249 is an apocalyptic number.

It is an amenable number.

125068249 is a deficient number, since it is larger than the sum of its proper divisors (1).

125068249 is an equidigital number, since it uses as much as digits as its factorization.

125068249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 125068249 is about 11183.3916590630. The cubic root of 125068249 is about 500.0909821102.

The spelling of 125068249 in words is "one hundred twenty-five million, sixty-eight thousand, two hundred forty-nine".