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120012449 is a prime number
BaseRepresentation
bin1110010011100…
…11111010100001
322100211021010112
413021303322201
5221210344244
615524141105
72655042344
oct711637241
9270737115
10120012449
1161820147
1234237795
131bb2c7ab
1411d2045b
15a80939e
hex7273ea1

120012449 has 2 divisors, whose sum is σ = 120012450. Its totient is φ = 120012448.

The previous prime is 120012421. The next prime is 120012491. The reversal of 120012449 is 944210021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 114918400 + 5094049 = 10720^2 + 2257^2 .

It is a cyclic number.

It is not a de Polignac number, because 120012449 - 224 = 103235233 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (120012419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60006224 + 60006225.

It is an arithmetic number, because the mean of its divisors is an integer number (60006225).

Almost surely, 2120012449 is an apocalyptic number.

It is an amenable number.

120012449 is a deficient number, since it is larger than the sum of its proper divisors (1).

120012449 is an equidigital number, since it uses as much as digits as its factorization.

120012449 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 120012449 is about 10955.0193518770. The cubic root of 120012449 is about 493.2594708730.

The spelling of 120012449 in words is "one hundred twenty million, twelve thousand, four hundred forty-nine".