1001320103 has 8 divisors (see below), whose sum is σ = 1148095872. Its totient is φ = 855476856.

The previous prime is 1001320097. The next prime is 1001320139. The reversal of 1001320103 is 3010231001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1001320103 - 2⁴ = 1001320087 is a prime.

It is a super-4 number, since 4×1001320103⁴ (a number of 37 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001320183) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 230825 + ... + 235122.

It is an arithmetic number, because the mean of its divisors is an integer number (143511984).

Almost surely, 2^1001320103 is an apocalyptic number.

1001320103 is a deficient number, since it is larger than the sum of its proper divisors (146775769).

1001320103 is an equidigital number, since it uses as much as digits as its factorization.

1001320103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466261.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 1001320103 is about 31643.6423788413. The cubic root of 1001320103 is about 1000.4398408450.

Adding to 1001320103 its reverse (3010231001), we get a palindrome (4011551104).

The spelling of 1001320103 in words is "one billion, one million, three hundred twenty thousand, one hundred three".