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120141247 is a prime number
BaseRepresentation
bin1110010100100…
…11010110111111
322101001210210211
413022103112333
5221224004442
615531013251
72656120012
oct712232677
9271053724
10120141247
11618a8996
123429a227
131bb762c5
1411d55379
15a832617
hex72935bf

120141247 has 2 divisors, whose sum is σ = 120141248. Its totient is φ = 120141246.

The previous prime is 120141223. The next prime is 120141253. The reversal of 120141247 is 742141021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 120141247 - 223 = 111752639 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120141347) 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, 60070623 + 60070624.

It is an arithmetic number, because the mean of its divisors is an integer number (60070624).

Almost surely, 2120141247 is an apocalyptic number.

120141247 is a deficient number, since it is larger than the sum of its proper divisors (1).

120141247 is an equidigital number, since it uses as much as digits as its factorization.

120141247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 120141247 is about 10960.8962680978. The cubic root of 120141247 is about 493.4358640172.

Adding to 120141247 its reverse (742141021), we get a palindrome (862282268).

The spelling of 120141247 in words is "one hundred twenty million, one hundred forty-one thousand, two hundred forty-seven".