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120492287 is a prime number
BaseRepresentation
bin1110010111010…
…01000011111111
322101201122100022
413023221003333
5221321223122
615542322355
72662111316
oct713510377
9271648308
10120492287
1162018703
12344293bb
131bc6a016
141200727d
15a8a1642
hex72e90ff

120492287 has 2 divisors, whose sum is σ = 120492288. Its totient is φ = 120492286.

The previous prime is 120492283. The next prime is 120492343. The reversal of 120492287 is 782294021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 120492287 - 22 = 120492283 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120492283) 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, 60246143 + 60246144.

It is an arithmetic number, because the mean of its divisors is an integer number (60246144).

Almost surely, 2120492287 is an apocalyptic number.

120492287 is a deficient number, since it is larger than the sum of its proper divisors (1).

120492287 is an equidigital number, since it uses as much as digits as its factorization.

120492287 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 120492287 is about 10976.8978769049. The cubic root of 120492287 is about 493.9159858109.

The spelling of 120492287 in words is "one hundred twenty million, four hundred ninety-two thousand, two hundred eighty-seven".