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120480817 is a prime number
BaseRepresentation
bin1110010111001…
…10010000110001
322101201001121111
413023212100301
5221320341232
615542153321
72662033012
oct713462061
9271631544
10120480817
1162010026
1234422841
131bc64a32
1412003009
15a89d047
hex72e6431

120480817 has 2 divisors, whose sum is σ = 120480818. Its totient is φ = 120480816.

The previous prime is 120480803. The next prime is 120480821. The reversal of 120480817 is 718084021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 119333776 + 1147041 = 10924^2 + 1071^2 .

It is an emirp because it is prime and its reverse (718084021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120480817 - 211 = 120478769 is a prime.

It is not a weakly prime, because it can be changed into another prime (120480847) 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, 60240408 + 60240409.

It is an arithmetic number, because the mean of its divisors is an integer number (60240409).

Almost surely, 2120480817 is an apocalyptic number.

It is an amenable number.

120480817 is a deficient number, since it is larger than the sum of its proper divisors (1).

120480817 is an equidigital number, since it uses as much as digits as its factorization.

120480817 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3584, while the sum is 31.

The square root of 120480817 is about 10976.3754035656. The cubic root of 120480817 is about 493.9003128959.

The spelling of 120480817 in words is "one hundred twenty million, four hundred eighty thousand, eight hundred seventeen".