1204243200 has 540 divisors, whose sum is σ = 4692230928. Its totient is φ = 304128000.

The previous prime is 1204243189. The next prime is 1204243213. The reversal of 1204243200 is 23424021.

It is a tau number, because it is divible by the number of its divisors (540).

It is a Harshad number since it is a multiple of its sum of digits (18).

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 59 ways as a sum of consecutive naturals, for example, 11923150 + ... + 11923250.

Almost surely, 2^1204243200 is an apocalyptic number.

1204243200 is a gapful number since it is divisible by the number (10) 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 1204243200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2346115464).

1204243200 is an abundant number, since it is smaller than the sum of its proper divisors (3487987728).

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

1204243200 is a wasteful number, since it uses less digits than its factorization.

1204243200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162 (or 134 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 1204243200 is about 34702.2074225834. The cubic root of 1204243200 is about 1063.9096160056.

Adding to 1204243200 its reverse (23424021), we get a palindrome (1227667221).

The spelling of 1204243200 in words is "one billion, two hundred four million, two hundred forty-three thousand, two hundred".