120451450503 has 8 divisors (see below), whose sum is σ = 160674844288. Its totient is φ = 80264511864.

The previous prime is 120451450423. The next prime is 120451450517. The reversal of 120451450503 is 305054154021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 120451450503 - 2¹⁰ = 120451449479 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 (120451450003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9106075 + ... + 9119292.

It is an arithmetic number, because the mean of its divisors is an integer number (20084355536).

Almost surely, 2^120451450503 is an apocalyptic number.

120451450503 is a deficient number, since it is larger than the sum of its proper divisors (40223393785).

120451450503 is a wasteful number, since it uses less digits than its factorization.

120451450503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18227573.

The product of its (nonzero) digits is 12000, while the sum is 30.

The spelling of 120451450503 in words is "one hundred twenty billion, four hundred fifty-one million, four hundred fifty thousand, five hundred three".