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127272107 is a prime number
BaseRepresentation
bin1111001011000…
…00010010101011
322212111002111202
413211200102223
5230040201412
620343514415
73103536464
oct745402253
9285432452
10127272107
1165929466
1236758a0b
13204a1c51
1412c8dd6b
15b2903c2
hex79604ab

127272107 has 2 divisors, whose sum is σ = 127272108. Its totient is φ = 127272106.

The previous prime is 127272091. The next prime is 127272109. The reversal of 127272107 is 701272721.

It is a strong prime.

It is an emirp because it is prime and its reverse (701272721) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 127272107 - 24 = 127272091 is a prime.

Together with 127272109, it forms a pair of twin primes.

It is a Chen prime.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 127272107.

It is not a weakly prime, because it can be changed into another prime (127272109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63636053 + 63636054.

It is an arithmetic number, because the mean of its divisors is an integer number (63636054).

Almost surely, 2127272107 is an apocalyptic number.

127272107 is a deficient number, since it is larger than the sum of its proper divisors (1).

127272107 is an equidigital number, since it uses as much as digits as its factorization.

127272107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2744, while the sum is 29.

The square root of 127272107 is about 11281.4940056714. The cubic root of 127272107 is about 503.0113036917.

The spelling of 127272107 in words is "one hundred twenty-seven million, two hundred seventy-two thousand, one hundred seven".