1204202400 has 144 divisors (see below), whose sum is σ = 3994056864. Its totient is φ = 315028480.

The previous prime is 1204202399. The next prime is 1204202411. The reversal of 1204202400 is 42024021.

1204202400 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1204202400.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 122467 + ... + 131933.

It is an arithmetic number, because the mean of its divisors is an integer number (27736506).

Almost surely, 2^1204202400 is an apocalyptic number.

1204202400 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 1204202400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1997028432).

1204202400 is an abundant number, since it is smaller than the sum of its proper divisors (2789854464).

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

1204202400 is a wasteful number, since it uses less digits than its factorization.

1204202400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9543 (or 9530 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 1204202400 is about 34701.6195587468. The cubic root of 1204202400 is about 1063.8976007132.

Adding to 1204202400 its reverse (42024021), we get a palindrome (1246226421).

The spelling of 1204202400 in words is "one billion, two hundred four million, two hundred two thousand, four hundred".