120689043289 has 4 divisors (see below), whose sum is σ = 120695810740. Its totient is φ = 120682275840.

The previous prime is 120689043287. The next prime is 120689043331. The reversal of 120689043289 is 982340986021.

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

It can be written as a sum of positive squares in 2 ways, for example, as 43066625625 + 77622417664 = 207525^2 + 278608^2 .

It is a cyclic number.

It is not a de Polignac number, because 120689043289 - 2¹ = 120689043287 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120689043281) 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 in 3 ways as a sum of consecutive naturals, for example, 3356904 + ... + 3392665.

It is an arithmetic number, because the mean of its divisors is an integer number (30173952685).

Almost surely, 2^120689043289 is an apocalyptic number.

It is an amenable number.

120689043289 is a deficient number, since it is larger than the sum of its proper divisors (6767451).

120689043289 is an equidigital number, since it uses as much as digits as its factorization.

120689043289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6767450.

The product of its (nonzero) digits is 1492992, while the sum is 52.

The spelling of 120689043289 in words is "one hundred twenty billion, six hundred eighty-nine million, forty-three thousand, two hundred eighty-nine".