1200210243 has 8 divisors (see below), whose sum is σ = 1604272656. Its totient is φ = 798144000.

The previous prime is 1200210223. The next prime is 1200210247. The reversal of 1200210243 is 3420120021.

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

It is not a de Polignac number, because 1200210243 - 2⁸ = 1200209987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1200210247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 497638 + ... + 500043.

It is an arithmetic number, because the mean of its divisors is an integer number (200534082).

Almost surely, 2^1200210243 is an apocalyptic number.

1200210243 is a deficient number, since it is larger than the sum of its proper divisors (404062413).

1200210243 is an equidigital number, since it uses as much as digits as its factorization.

1200210243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 998085.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 1200210243 is about 34644.0506147881. The cubic root of 1200210243 is about 1062.7206257046.

Adding to 1200210243 its reverse (3420120021), we get a palindrome (4620330264).

The spelling of 1200210243 in words is "one billion, two hundred million, two hundred ten thousand, two hundred forty-three".