120320771 has 4 divisors (see below), whose sum is σ = 120469944. Its totient is φ = 120171600.

The previous prime is 120320737. The next prime is 120320777. The reversal of 120320771 is 177023021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120320771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120320777) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73370 + ... + 74991.

It is an arithmetic number, because the mean of its divisors is an integer number (30117486).

Almost surely, 2^120320771 is an apocalyptic number.

120320771 is a deficient number, since it is larger than the sum of its proper divisors (149173).

120320771 is an equidigital number, since it uses as much as digits as its factorization.

120320771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149172.

The product of its (nonzero) digits is 588, while the sum is 23.

The square root of 120320771 is about 10969.0825049318. The cubic root of 120320771 is about 493.6815179069.

Adding to 120320771 its reverse (177023021), we get a palindrome (297343792).

The spelling of 120320771 in words is "one hundred twenty million, three hundred twenty thousand, seven hundred seventy-one".