120747643 has 2 divisors, whose sum is σ = 120747644. Its totient is φ = 120747642.

The previous prime is 120747607. The next prime is 120747659. The reversal of 120747643 is 346747021.

It is a strong prime.

It is an emirp because it is prime and its reverse (346747021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120747643 - 2⁹ = 120747131 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120747599 and 120747608.

It is not a weakly prime, because it can be changed into another prime (120747043) 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, 60373821 + 60373822.

It is an arithmetic number, because the mean of its divisors is an integer number (60373822).

Almost surely, 2^120747643 is an apocalyptic number.

120747643 is a deficient number, since it is larger than the sum of its proper divisors (1).

120747643 is an equidigital number, since it uses as much as digits as its factorization.

120747643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28224, while the sum is 34.

The square root of 120747643 is about 10988.5232401811. The cubic root of 120747643 is about 494.2646538212.

The spelling of 120747643 in words is "one hundred twenty million, seven hundred forty-seven thousand, six hundred forty-three".