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120120449 is a prime number
BaseRepresentation
bin1110010100011…
…10010010000001
322101000202021112
413022032102001
5221222323244
615530333105
72656002251
oct712162201
9271022245
10120120449
11618942a9
123428a195
131bb699b7
1411d4b961
15a82b39e
hex728e481

120120449 has 2 divisors, whose sum is σ = 120120450. Its totient is φ = 120120448.

The previous prime is 120120439. The next prime is 120120491. The reversal of 120120449 is 944021021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 93412225 + 26708224 = 9665^2 + 5168^2 .

It is a cyclic number.

It is not a de Polignac number, because 120120449 - 24 = 120120433 is a prime.

It is not a weakly prime, because it can be changed into another prime (120120439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60060224 + 60060225.

It is an arithmetic number, because the mean of its divisors is an integer number (60060225).

Almost surely, 2120120449 is an apocalyptic number.

It is an amenable number.

120120449 is a deficient number, since it is larger than the sum of its proper divisors (1).

120120449 is an equidigital number, since it uses as much as digits as its factorization.

120120449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 120120449 is about 10959.9474907501. The cubic root of 120120449 is about 493.4073890025.

The spelling of 120120449 in words is "one hundred twenty million, one hundred twenty thousand, four hundred forty-nine".