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120203201 is a prime number
BaseRepresentation
bin1110010101000…
…10011111000001
322101011221210102
413022202133001
5221233000301
615532212145
72656465436
oct712423701
9271157712
10120203201
1161940498
123430a055
131bb98571
1411d6db8d
15a845b6b
hex72a27c1

120203201 has 2 divisors, whose sum is σ = 120203202. Its totient is φ = 120203200.

The previous prime is 120203197. The next prime is 120203203. The reversal of 120203201 is 102302021.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 93412225 + 26790976 = 9665^2 + 5176^2 .

It is a cyclic number.

It is not a de Polignac number, because 120203201 - 22 = 120203197 is a prime.

Together with 120203203, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (120203203) 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, 60101600 + 60101601.

It is an arithmetic number, because the mean of its divisors is an integer number (60101601).

Almost surely, 2120203201 is an apocalyptic number.

It is an amenable number.

120203201 is a deficient number, since it is larger than the sum of its proper divisors (1).

120203201 is an equidigital number, since it uses as much as digits as its factorization.

120203201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 120203201 is about 10963.7220413507. The cubic root of 120203201 is about 493.5206671774.

Adding to 120203201 its reverse (102302021), we get a palindrome (222505222).

The spelling of 120203201 in words is "one hundred twenty million, two hundred three thousand, two hundred one".