1001134320 has 80 divisors (see below), whose sum is σ = 3266874240. Its totient is φ = 252916992.

The previous prime is 1001134313. The next prime is 1001134391. The reversal of 1001134320 is 234311001.

1001134320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1001134320.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105214 + ... + 114333.

It is an arithmetic number, because the mean of its divisors is an integer number (40835928).

Almost surely, 2^1001134320 is an apocalyptic number.

1001134320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1001134320 is an abundant number, since it is smaller than the sum of its proper divisors (2265739920).

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

1001134320 is a wasteful number, since it uses less digits than its factorization.

1001134320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219582 (or 219576 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1001134320 is about 31640.7066924871. The cubic root of 1001134320 is about 1000.3779637920.

Adding to 1001134320 its reverse (234311001), we get a palindrome (1235445321).

The spelling of 1001134320 in words is "one billion, one million, one hundred thirty-four thousand, three hundred twenty".