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120642443 is a prime number
BaseRepresentation
bin1110011000011…
…01101110001011
322102000021022122
413030031232023
5221341024233
615545441455
72663305145
oct714155613
9272007278
10120642443
11621104a9
12344a028b
131bcc047c
1412045c95
15a8d0d98
hex730db8b

120642443 has 2 divisors, whose sum is σ = 120642444. Its totient is φ = 120642442.

The previous prime is 120642439. The next prime is 120642451. The reversal of 120642443 is 344246021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 120642443 - 22 = 120642439 is a prime.

It is not a weakly prime, because it can be changed into another prime (120642413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60321221 + 60321222.

It is an arithmetic number, because the mean of its divisors is an integer number (60321222).

Almost surely, 2120642443 is an apocalyptic number.

120642443 is a deficient number, since it is larger than the sum of its proper divisors (1).

120642443 is an equidigital number, since it uses as much as digits as its factorization.

120642443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 120642443 is about 10983.7353846494. The cubic root of 120642443 is about 494.1210713101.

Adding to 120642443 its reverse (344246021), we get a palindrome (464888464).

The spelling of 120642443 in words is "one hundred twenty million, six hundred forty-two thousand, four hundred forty-three".