120654643 has 2 divisors, whose sum is σ = 120654644. Its totient is φ = 120654642.

The previous prime is 120654629. The next prime is 120654691. The reversal of 120654643 is 346456021.

It is a weak prime.

It is an emirp because it is prime and its reverse (346456021) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120654643 is a prime.

It is not a weakly prime, because it can be changed into another prime (120654613) 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, 60327321 + 60327322.

It is an arithmetic number, because the mean of its divisors is an integer number (60327322).

Almost surely, 2^120654643 is an apocalyptic number.

120654643 is a deficient number, since it is larger than the sum of its proper divisors (1).

120654643 is an equidigital number, since it uses as much as digits as its factorization.

120654643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 120654643 is about 10984.2907372301. The cubic root of 120654643 is about 494.1377267914.

The spelling of 120654643 in words is "one hundred twenty million, six hundred fifty-four thousand, six hundred forty-three".