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127117103 is a prime number
BaseRepresentation
bin1111001001110…
…10011100101111
322212012012212212
413210322130233
5230020221403
620340321035
73102322541
oct744723457
9285165785
10127117103
1165832a63
12366a317b
1320449529
1412c4d691
15b25e4d8
hex793a72f

127117103 has 2 divisors, whose sum is σ = 127117104. Its totient is φ = 127117102.

The previous prime is 127117079. The next prime is 127117117. The reversal of 127117103 is 301711721.

It is a strong prime.

It is an emirp because it is prime and its reverse (301711721) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 127117103 - 226 = 60008239 is a prime.

It is a super-2 number, since 2×1271171032 = 32317515750225218, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (127117153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63558551 + 63558552.

It is an arithmetic number, because the mean of its divisors is an integer number (63558552).

Almost surely, 2127117103 is an apocalyptic number.

127117103 is a deficient number, since it is larger than the sum of its proper divisors (1).

127117103 is an equidigital number, since it uses as much as digits as its factorization.

127117103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 294, while the sum is 23.

The square root of 127117103 is about 11274.6220779235. The cubic root of 127117103 is about 502.8070158343.

Adding to 127117103 its reverse (301711721), we get a palindrome (428828824).

The spelling of 127117103 in words is "one hundred twenty-seven million, one hundred seventeen thousand, one hundred three".