1204140800 has 54 divisors (see below), whose sum is σ = 2980452468. Its totient is φ = 481653760.

The previous prime is 1204140731. The next prime is 1204140803. The reversal of 1204140800 is 80414021.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (1204140803) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 87674 + ... + 100473.

Almost surely, 2^1204140800 is an apocalyptic number.

1204140800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1204140800 is an abundant number, since it is smaller than the sum of its proper divisors (1776311668).

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

1204140800 is an equidigital number, since it uses as much as digits as its factorization.

1204140800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188173 (or 188154 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 1204140800 is about 34700.7319807522. The cubic root of 1204140800 is about 1063.8794594634.

Adding to 1204140800 its reverse (80414021), we get a palindrome (1284554821).

The spelling of 1204140800 in words is "one billion, two hundred four million, one hundred forty thousand, eight hundred".