1200089200 has 30 divisors (see below), whose sum is σ = 2883215264. Its totient is φ = 480035520.

The previous prime is 1200089197. The next prime is 1200089203. The reversal of 1200089200 is 29800021.

It is an interprime number because it is at equal distance from previous prime (1200089197) and next prime (1200089203).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200089203) 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, 1499712 + ... + 1500511.

Almost surely, 2^1200089200 is an apocalyptic number.

1200089200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1200089200 is an abundant number, since it is smaller than the sum of its proper divisors (1683126064).

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

1200089200 is a wasteful number, since it uses less digits than its factorization.

1200089200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3000241 (or 3000230 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 1200089200 is about 34642.3036185529. The cubic root of 1200089200 is about 1062.6848988481.

Adding to 1200089200 its reverse (29800021), we get a palindrome (1229889221).

The spelling of 1200089200 in words is "one billion, two hundred million, eighty-nine thousand, two hundred".