120530001003 has 24 divisors (see below), whose sum is σ = 171574195200. Its totient is φ = 75246526080.

The previous prime is 120530000993. The next prime is 120530001091. The reversal of 120530001003 is 300100035021.

It is a happy number.

It is not a de Polignac number, because 120530001003 - 2⁵ = 120530000971 is a prime.

It is a super-2 number, since 2×120530001003² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (120530001103) 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, 176763 + ... + 521828.

It is an arithmetic number, because the mean of its divisors is an integer number (7148924800).

Almost surely, 2^120530001003 is an apocalyptic number.

120530001003 is a deficient number, since it is larger than the sum of its proper divisors (51044194197).

120530001003 is a wasteful number, since it uses less digits than its factorization.

120530001003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 698827 (or 698810 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 15.

Adding to 120530001003 its reverse (300100035021), we get a palindrome (420630036024).

The spelling of 120530001003 in words is "one hundred twenty billion, five hundred thirty million, one thousand, three".