1200135330 has 96 divisors (see below), whose sum is σ = 3249243504. Its totient is φ = 307058688.

The previous prime is 1200135329. The next prime is 1200135353. The reversal of 1200135330 is 335310021.

1200135330 is a `hidden beast` number, since 1 + 200 + 135 + 330 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 786297681 + 413837649 = 28041^2 + 20343^2 .

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

It is a Curzon number.

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 47 ways as a sum of consecutive naturals, for example, 240622 + ... + 245558.

Almost surely, 2^1200135330 is an apocalyptic number.

1200135330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1200135330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1624621752).

1200135330 is an abundant number, since it is smaller than the sum of its proper divisors (2049108174).

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

1200135330 is a wasteful number, since it uses less digits than its factorization.

1200135330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5060 (or 5057 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 18.

The square root of 1200135330 is about 34642.9694166075. The cubic root of 1200135330 is about 1062.6985147877.

Adding to 1200135330 its reverse (335310021), we get a palindrome (1535445351).

The spelling of 1200135330 in words is "one billion, two hundred million, one hundred thirty-five thousand, three hundred thirty".