1200313001 has 4 divisors (see below), whose sum is σ = 1207500672. Its totient is φ = 1193125332.

The previous prime is 1200312989. The next prime is 1200313021. The reversal of 1200313001 is 1003130021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1200313001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1200313021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3593585 + ... + 3593918.

It is an arithmetic number, because the mean of its divisors is an integer number (301875168).

Almost surely, 2^1200313001 is an apocalyptic number.

It is an amenable number.

1200313001 is a deficient number, since it is larger than the sum of its proper divisors (7187671).

1200313001 is an equidigital number, since it uses as much as digits as its factorization.

1200313001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7187670.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 1200313001 is about 34645.5336371083. The cubic root of 1200313001 is about 1062.7509537048.

Adding to 1200313001 its reverse (1003130021), we get a palindrome (2203443022).

It can be divided in two parts, 1 and 200313001, that added together give a palindrome (200313002).

The spelling of 1200313001 in words is "one billion, two hundred million, three hundred thirteen thousand, one".