120344555445 has 16 divisors (see below), whose sum is σ = 192575392512. Its totient is φ = 64175728320.

The previous prime is 120344555407. The next prime is 120344555447. The reversal of 120344555445 is 544555443021.

It is not a de Polignac number, because 120344555445 - 2⁹ = 120344554933 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 120344555397 and 120344555406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120344555447) 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 15 ways as a sum of consecutive naturals, for example, 377341 + ... + 618930.

It is an arithmetic number, because the mean of its divisors is an integer number (12035962032).

Almost surely, 2^120344555445 is an apocalyptic number.

120344555445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

120344555445 is a deficient number, since it is larger than the sum of its proper divisors (72230837067).

120344555445 is an equidigital number, since it uses as much as digits as its factorization.

120344555445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1004332.

The product of its (nonzero) digits is 960000, while the sum is 42.

Adding to 120344555445 its reverse (544555443021), we get a palindrome (664899998466).

The spelling of 120344555445 in words is "one hundred twenty billion, three hundred forty-four million, five hundred fifty-five thousand, four hundred forty-five".