1200630800 has 30 divisors (see below), whose sum is σ = 2884516458. Its totient is φ = 480252160.

The previous prime is 1200630793. The next prime is 1200630811. The reversal of 1200630800 is 80360021.

It can be written as a sum of positive squares in 3 ways, for example, as 38093584 + 1162537216 = 6172^2 + 34096^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1500389 + ... + 1501188.

Almost surely, 2^1200630800 is an apocalyptic number.

1200630800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1200630800 is an abundant number, since it is smaller than the sum of its proper divisors (1683885658).

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

1200630800 is a wasteful number, since it uses less digits than its factorization.

1200630800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3001595 (or 3001584 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 1200630800 is about 34650.1197689128. The cubic root of 1200630800 is about 1062.8447379615.

Adding to 1200630800 its reverse (80360021), we get a palindrome (1280990821).

The spelling of 1200630800 in words is "one billion, two hundred million, six hundred thirty thousand, eight hundred".