1200401303 has 8 divisors (see below), whose sum is σ = 1255219200. Its totient is φ = 1145802328.

The previous prime is 1200401207. The next prime is 1200401311. The reversal of 1200401303 is 3031040021.

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

It is a cyclic number.

It is not a de Polignac number, because 1200401303 - 2¹² = 1200397207 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 (1200401353) 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 7 ways as a sum of consecutive naturals, for example, 43463 + ... + 65496.

It is an arithmetic number, because the mean of its divisors is an integer number (156902400).

Almost surely, 2^1200401303 is an apocalyptic number.

1200401303 is a deficient number, since it is larger than the sum of its proper divisors (54817897).

1200401303 is a wasteful number, since it uses less digits than its factorization.

1200401303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109461.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 1200401303 is about 34646.8079770706. The cubic root of 1200401303 is about 1062.7770137779. Note that the first 3 decimals are identical.

Adding to 1200401303 its reverse (3031040021), we get a palindrome (4231441324).

The spelling of 1200401303 in words is "one billion, two hundred million, four hundred one thousand, three hundred three".