120722727 has 4 divisors (see below), whose sum is σ = 160963640. Its totient is φ = 80481816.

The previous prime is 120722689. The next prime is 120722731. The reversal of 120722727 is 727227021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 727227021 = 3 ⋅242409007.

It is not a de Polignac number, because 120722727 - 2⁸ = 120722471 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120722694 and 120722703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120723727) 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 in 3 ways as a sum of consecutive naturals, for example, 20120452 + ... + 20120457.

It is an arithmetic number, because the mean of its divisors is an integer number (40240910).

Almost surely, 2^120722727 is an apocalyptic number.

120722727 is a deficient number, since it is larger than the sum of its proper divisors (40240913).

120722727 is an equidigital number, since it uses as much as digits as its factorization.

120722727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40240912.

The product of its (nonzero) digits is 5488, while the sum is 30.

The square root of 120722727 is about 10987.3894533688. The cubic root of 120722727 is about 494.2306546889.

Adding to 120722727 its reverse (727227021), we get a palindrome (847949748).

The spelling of 120722727 in words is "one hundred twenty million, seven hundred twenty-two thousand, seven hundred twenty-seven".