120186377609 has 6 divisors (see below), whose sum is σ = 120382667406. Its totient is φ = 119990115840.

The previous prime is 120186377557. The next prime is 120186377611. The reversal of 120186377609 is 906773681021.

It can be written as a sum of positive squares in 3 ways, for example, as 115772104009 + 4414273600 = 340253^2 + 66440^2 .

It is not a de Polignac number, because 120186377609 - 2¹⁶ = 120186312073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120186377629) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8770367 + ... + 8784059.

It is an arithmetic number, because the mean of its divisors is an integer number (20063777901).

Almost surely, 2^120186377609 is an apocalyptic number.

It is an amenable number.

120186377609 is a deficient number, since it is larger than the sum of its proper divisors (196289797).

120186377609 is an frugal number, since it uses more digits than its factorization.

120186377609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28027 (or 14334 counting only the distinct ones).

The product of its (nonzero) digits is 762048, while the sum is 50.

The spelling of 120186377609 in words is "one hundred twenty billion, one hundred eighty-six million, three hundred seventy-seven thousand, six hundred nine".