120489001803 has 24 divisors (see below), whose sum is σ = 174415887360. Its totient is φ = 80152536240.

The previous prime is 120489001799. The next prime is 120489001811. The reversal of 120489001803 is 308100984021.

It is not a de Polignac number, because 120489001803 - 2² = 120489001799 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120489001813) 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 23 ways as a sum of consecutive naturals, for example, 9838558 + ... + 9850796.

It is an arithmetic number, because the mean of its divisors is an integer number (7267328640).

Almost surely, 2^120489001803 is an apocalyptic number.

120489001803 is a deficient number, since it is larger than the sum of its proper divisors (53926885557).

120489001803 is a wasteful number, since it uses less digits than its factorization.

120489001803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14519 (or 14516 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

Adding to 120489001803 its reverse (308100984021), we get a palindrome (428589985824).

The spelling of 120489001803 in words is "one hundred twenty billion, four hundred eighty-nine million, one thousand, eight hundred three".