120647 has 2 divisors, whose sum is σ = 120648. Its totient is φ = 120646.

The previous prime is 120641. The next prime is 120661. The reversal of 120647 is 746021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 120647 - 2⁸ = 120391 is a prime.

It is a plaindrome in base 12.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 120647.

It is not a weakly prime, because it can be changed into another prime (120641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60323 + 60324.

It is an arithmetic number, because the mean of its divisors is an integer number (60324).

2¹²⁰⁶⁴⁷ is an apocalyptic number.

120647 is a deficient number, since it is larger than the sum of its proper divisors (1).

120647 is an equidigital number, since it uses as much as digits as its factorization.

120647 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 120647 is about 347.3427701853. The cubic root of 120647 is about 49.4127292673.

Adding to 120647 its reverse (746021), we get a palindrome (866668).

It can be divided in two parts, 12064 and 7, that multiplied together give a palindrome (84448).

The spelling of 120647 in words is "one hundred twenty thousand, six hundred forty-seven".