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125752057 is a prime number
BaseRepresentation
bin1110111111011…
…01001011111001
322202121212101121
413133231023321
5224143031212
620251145241
73054606034
oct737551371
9282555347
10125752057
1164a90422
1236145221
132008c102
14129b601b
15b08ed07
hex77ed2f9

125752057 has 2 divisors, whose sum is σ = 125752058. Its totient is φ = 125752056.

The previous prime is 125752037. The next prime is 125752097. The reversal of 125752057 is 750257521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 125686521 + 65536 = 11211^2 + 256^2 .

It is a cyclic number.

It is not a de Polignac number, because 125752057 - 27 = 125751929 is a prime.

It is not a weakly prime, because it can be changed into another prime (125752037) 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, 62876028 + 62876029.

It is an arithmetic number, because the mean of its divisors is an integer number (62876029).

Almost surely, 2125752057 is an apocalyptic number.

It is an amenable number.

125752057 is a deficient number, since it is larger than the sum of its proper divisors (1).

125752057 is an equidigital number, since it uses as much as digits as its factorization.

125752057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24500, while the sum is 34.

The square root of 125752057 is about 11213.9224627246. The cubic root of 125752057 is about 501.0007383758. Note that the first 3 decimals are identical.

The spelling of 125752057 in words is "one hundred twenty-five million, seven hundred fifty-two thousand, fifty-seven".