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120847 is a prime number
BaseRepresentation
bin11101100000001111
320010202211
4131200033
512331342
62331251
71012216
oct354017
9203684
10120847
1182881
1259b27
134300c
143207d
1525c17
hex1d80f

120847 has 2 divisors, whose sum is σ = 120848. Its totient is φ = 120846.

The previous prime is 120833. The next prime is 120851. The reversal of 120847 is 748021.

It is a strong prime.

It is an emirp because it is prime and its reverse (748021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120847 - 211 = 118799 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 (120817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60423 + 60424.

It is an arithmetic number, because the mean of its divisors is an integer number (60424).

2120847 is an apocalyptic number.

120847 is a deficient number, since it is larger than the sum of its proper divisors (1).

120847 is an equidigital number, since it uses as much as digits as its factorization.

120847 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 120847 is about 347.6305510164. The cubic root of 120847 is about 49.4400184941.

Adding to 120847 its reverse (748021), we get a palindrome (868868).

The spelling of 120847 in words is "one hundred twenty thousand, eight hundred forty-seven".