1200052203 has 16 divisors (see below), whose sum is σ = 1844837376. Its totient is φ = 679674240.

The previous prime is 1200052201. The next prime is 1200052211. The reversal of 1200052203 is 3022500021.

It is not a de Polignac number, because 1200052203 - 2¹ = 1200052201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1200052201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 250483 + ... + 255228.

It is an arithmetic number, because the mean of its divisors is an integer number (115302336).

Almost surely, 2^1200052203 is an apocalyptic number.

1200052203 is a deficient number, since it is larger than the sum of its proper divisors (644785173).

1200052203 is a wasteful number, since it uses less digits than its factorization.

1200052203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505834.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 1200052203 is about 34641.7696285857. The cubic root of 1200052203 is about 1062.6739783940.

Adding to 1200052203 its reverse (3022500021), we get a palindrome (4222552224).

The spelling of 1200052203 in words is "one billion, two hundred million, fifty-two thousand, two hundred three".