120440767309 has 2 divisors, whose sum is σ = 120440767310. Its totient is φ = 120440767308.

The previous prime is 120440767267. The next prime is 120440767591. The reversal of 120440767309 is 903767044021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 89672099209 + 30768668100 = 299453^2 + 175410^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120440767309 is a prime.

It is a super-3 number, since 3×120440767309³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120440765309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60220383654 + 60220383655.

It is an arithmetic number, because the mean of its divisors is an integer number (60220383655).

Almost surely, 2^120440767309 is an apocalyptic number.

It is an amenable number.

120440767309 is a deficient number, since it is larger than the sum of its proper divisors (1).

120440767309 is an equidigital number, since it uses as much as digits as its factorization.

120440767309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 254016, while the sum is 43.

The spelling of 120440767309 in words is "one hundred twenty billion, four hundred forty million, seven hundred sixty-seven thousand, three hundred nine".