1001001330 has 96 divisors (see below), whose sum is σ = 3054864384. Its totient is φ = 222611328.

The previous prime is 1001001329. The next prime is 1001001349. The reversal of 1001001330 is 331001001.

1001001330 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 1839 + ... + 44781.

It is an arithmetic number, because the mean of its divisors is an integer number (31821504).

Almost surely, 2^1001001330 is an apocalyptic number.

1001001330 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 1001001330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1527432192).

1001001330 is an abundant number, since it is smaller than the sum of its proper divisors (2053863054).

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

1001001330 is a wasteful number, since it uses less digits than its factorization.

1001001330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43000 (or 42997 counting only the distinct ones).

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

The square root of 1001001330 is about 31638.6050577455. The cubic root of 1001001330 is about 1000.3336653217. Note that the first 3 decimals are identical.

Adding to 1001001330 its reverse (331001001), we get a palindrome (1332002331).

The spelling of 1001001330 in words is "one billion, one million, one thousand, three hundred thirty".