1001041320 has 32 divisors (see below), whose sum is σ = 3003124320. Its totient is φ = 266944320.

The previous prime is 1001041291. The next prime is 1001041331. The reversal of 1001041320 is 231401001.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 1001041296 and 1001041305.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4170886 + ... + 4171125.

It is an arithmetic number, because the mean of its divisors is an integer number (93847635).

Almost surely, 2^1001041320 is an apocalyptic number.

1001041320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1001041320 is an abundant number, since it is smaller than the sum of its proper divisors (2002083000).

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

1001041320 is a wasteful number, since it uses less digits than its factorization.

1001041320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8342025 (or 8342021 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1001041320 is about 31639.2370325202. The cubic root of 1001041320 is about 1000.3469862533.

Adding to 1001041320 its reverse (231401001), we get a palindrome (1232442321).

The spelling of 1001041320 in words is "one billion, one million, forty-one thousand, three hundred twenty".