1330001100 has 144 divisors (see below), whose sum is σ = 4293371040. Its totient is φ = 353203200.

The previous prime is 1330001041. The next prime is 1330001131. The reversal of 1330001100 is 11000331.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 757824 + ... + 759576.

Almost surely, 2^1330001100 is an apocalyptic number.

1330001100 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 1330001100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2146685520).

1330001100 is an abundant number, since it is smaller than the sum of its proper divisors (2963369940).

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

1330001100 is a wasteful number, since it uses less digits than its factorization.

1330001100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2057 (or 2044 counting only the distinct ones).

The product of its (nonzero) digits is 9, while the sum is 9.

The square root of 1330001100 is about 36469.1801388515. The cubic root of 1330001100 is about 1099.7247520684.

Adding to 1330001100 its reverse (11000331), we get a palindrome (1341001431).

The spelling of 1330001100 in words is "one billion, three hundred thirty million, one thousand, one hundred".