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120248291 is a prime number
BaseRepresentation
bin1110010101011…
…01011111100011
322101021020122102
413022231133203
5221240421131
615533201015
72660044052
oct712553743
9271236572
10120248291
1161971359
123433016b
131bbb2c47
1411d82399
15a8541cb
hex72ad7e3

120248291 has 2 divisors, whose sum is σ = 120248292. Its totient is φ = 120248290.

The previous prime is 120248279. The next prime is 120248333. The reversal of 120248291 is 192842021.

It is a weak prime.

It is an emirp because it is prime and its reverse (192842021) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-120248291 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (120248201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60124145 + 60124146.

It is an arithmetic number, because the mean of its divisors is an integer number (60124146).

Almost surely, 2120248291 is an apocalyptic number.

120248291 is a deficient number, since it is larger than the sum of its proper divisors (1).

120248291 is an equidigital number, since it uses as much as digits as its factorization.

120248291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 120248291 is about 10965.7781757612. The cubic root of 120248291 is about 493.5823684322.

The spelling of 120248291 in words is "one hundred twenty million, two hundred forty-eight thousand, two hundred ninety-one".