1200103321 has 8 divisors (see below), whose sum is σ = 1273462344. Its totient is φ = 1127051520.

The previous prime is 1200103301. The next prime is 1200103337. The reversal of 1200103321 is 1233010021.

It can be written as a sum of positive squares in 4 ways, for example, as 489294400 + 710808921 = 22120^2 + 26661^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1200103321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1200103301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68730 + ... + 84403.

It is an arithmetic number, because the mean of its divisors is an integer number (159182793).

Almost surely, 2^1200103321 is an apocalyptic number.

It is an amenable number.

1200103321 is a deficient number, since it is larger than the sum of its proper divisors (73359023).

1200103321 is a wasteful number, since it uses less digits than its factorization.

1200103321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153611.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 1200103321 is about 34642.5074294572. The cubic root of 1200103321 is about 1062.6890669035.

Adding to 1200103321 its reverse (1233010021), we get a palindrome (2433113342).

The spelling of 1200103321 in words is "one billion, two hundred million, one hundred three thousand, three hundred twenty-one".