1200403204 has 192 divisors, whose sum is σ = 3070771200. Its totient is φ = 395020800.

The previous prime is 1200403199. The next prime is 1200403213. The reversal of 1200403204 is 4023040021.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 2358102 + ... + 2358610.

It is an arithmetic number, because the mean of its divisors is an integer number (15993600).

Almost surely, 2^1200403204 is an apocalyptic number.

1200403204 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1200403204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1535385600).

1200403204 is an abundant number, since it is smaller than the sum of its proper divisors (1870367996).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1200403204 is a wasteful number, since it uses less digits than its factorization.

1200403204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 594 (or 592 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 1200403204 is about 34646.8354110444. The cubic root of 1200403204 is about 1062.7775747953. Note that the first 3 decimals are identical.

Adding to 1200403204 its reverse (4023040021), we get a palindrome (5223443225).

It can be divided in two parts, 1200 and 403204, that added together give a palindrome (404404).

The spelling of 1200403204 in words is "one billion, two hundred million, four hundred three thousand, two hundred four".