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120115103 is a prime number
BaseRepresentation
bin1110010100011…
…00111110011111
322101000110221112
413022030332133
5221222140403
615530252235
72655650543
oct712147637
9271013845
10120115103
1161890289
123428707b
131bb67434
1411d49a23
15a8299d8
hex728cf9f

120115103 has 2 divisors, whose sum is σ = 120115104. Its totient is φ = 120115102.

The previous prime is 120115069. The next prime is 120115109. The reversal of 120115103 is 301511021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 120115103 - 28 = 120114847 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120115109) 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, 60057551 + 60057552.

It is an arithmetic number, because the mean of its divisors is an integer number (60057552).

Almost surely, 2120115103 is an apocalyptic number.

120115103 is a deficient number, since it is larger than the sum of its proper divisors (1).

120115103 is an equidigital number, since it uses as much as digits as its factorization.

120115103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30, while the sum is 14.

The square root of 120115103 is about 10959.7036000067. The cubic root of 120115103 is about 493.4000691413.

Adding to 120115103 its reverse (301511021), we get a palindrome (421626124).

The spelling of 120115103 in words is "one hundred twenty million, one hundred fifteen thousand, one hundred three".