1001120413 has 4 divisors (see below), whose sum is σ = 1011441340. Its totient is φ = 990799488.

The previous prime is 1001120401. The next prime is 1001120441. The reversal of 1001120413 is 3140211001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3140211001 = 2333 ⋅1345997.

It can be written as a sum of positive squares in 2 ways, for example, as 136936804 + 864183609 = 11702^2 + 29397^2 .

It is a cyclic number.

It is not a de Polignac number, because 1001120413 - 2²⁵ = 967565981 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1001120393 and 1001120402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001120473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5160318 + ... + 5160511.

It is an arithmetic number, because the mean of its divisors is an integer number (252860335).

Almost surely, 2^1001120413 is an apocalyptic number.

It is an amenable number.

1001120413 is a deficient number, since it is larger than the sum of its proper divisors (10320927).

1001120413 is an equidigital number, since it uses as much as digits as its factorization.

1001120413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10320926.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 1001120413 is about 31640.4869273531. The cubic root of 1001120413 is about 1000.3733316062.

Adding to 1001120413 its reverse (3140211001), we get a palindrome (4141331414).

The spelling of 1001120413 in words is "one billion, one million, one hundred twenty thousand, four hundred thirteen".