1003432120 has 32 divisors (see below), whose sum is σ = 2262640320. Its totient is φ = 400498560.

The previous prime is 1003432081. The next prime is 1003432153. The reversal of 1003432120 is 212343001.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1003432094 and 1003432103.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 8571 + ... + 45610.

It is an arithmetic number, because the mean of its divisors is an integer number (70707510).

Almost surely, 2^1003432120 is an apocalyptic number.

1003432120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1003432120 is an abundant number, since it is smaller than the sum of its proper divisors (1259208200).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1003432120 is a wasteful number, since it uses less digits than its factorization.

1003432120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54655 (or 54651 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1003432120 is about 31676.9967010763. The cubic root of 1003432120 is about 1001.1427336624.

Adding to 1003432120 its reverse (212343001), we get a palindrome (1215775121).

The spelling of 1003432120 in words is "one billion, three million, four hundred thirty-two thousand, one hundred twenty".