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120123103 is a prime number
BaseRepresentation
bin1110010100011…
…10111011011111
322101000212220211
413022032323133
5221222414403
615530353251
72656013062
oct712167337
9271025824
10120123103
11618962a1
123428b827
131bb6ac79
1411d4c8d9
15a82c06d
hex728eedf

120123103 has 2 divisors, whose sum is σ = 120123104. Its totient is φ = 120123102.

The previous prime is 120123079. The next prime is 120123121. The reversal of 120123103 is 301321021.

It is a strong prime.

It is an emirp because it is prime and its reverse (301321021) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-120123103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120123193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60061551 + 60061552.

It is an arithmetic number, because the mean of its divisors is an integer number (60061552).

Almost surely, 2120123103 is an apocalyptic number.

120123103 is a deficient number, since it is larger than the sum of its proper divisors (1).

120123103 is an equidigital number, since it uses as much as digits as its factorization.

120123103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 120123103 is about 10960.0685673038. The cubic root of 120123103 is about 493.4110228371.

Adding to 120123103 its reverse (301321021), we get a palindrome (421444124).

The spelling of 120123103 in words is "one hundred twenty million, one hundred twenty-three thousand, one hundred three".