120544450453 has 4 divisors (see below), whose sum is σ = 137765086240. Its totient is φ = 103323814668.

The previous prime is 120544450451. The next prime is 120544450471. The reversal of 120544450453 is 354054445021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 120544450453 - 2¹ = 120544450451 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120544450451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8610317883 + ... + 8610317896.

It is an arithmetic number, because the mean of its divisors is an integer number (34441271560).

Almost surely, 2^120544450453 is an apocalyptic number.

It is an amenable number.

120544450453 is a deficient number, since it is larger than the sum of its proper divisors (17220635787).

120544450453 is an equidigital number, since it uses as much as digits as its factorization.

120544450453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17220635786.

The product of its (nonzero) digits is 192000, while the sum is 37.

Adding to 120544450453 its reverse (354054445021), we get a palindrome (474598895474).

The spelling of 120544450453 in words is "one hundred twenty billion, five hundred forty-four million, four hundred fifty thousand, four hundred fifty-three".