1001120113 has 8 divisors (see below), whose sum is σ = 1148591232. Its totient is φ = 854762496.

The previous prime is 1001120101. The next prime is 1001120119. The reversal of 1001120113 is 3110211001.

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

It is not a de Polignac number, because 1001120113 - 2⁹ = 1001119601 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1001120113.

It is not an unprimeable number, because it can be changed into a prime (1001120119) 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, 276445 + ... + 280042.

It is an arithmetic number, because the mean of its divisors is an integer number (143573904).

Almost surely, 2^1001120113 is an apocalyptic number.

It is an amenable number.

1001120113 is a deficient number, since it is larger than the sum of its proper divisors (147471119).

1001120113 is an equidigital number, since it uses as much as digits as its factorization.

1001120113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556751.

The product of its (nonzero) digits is 6, while the sum is 10.

The square root of 1001120113 is about 31640.4821865913. The cubic root of 1001120113 is about 1000.3732316808.

Adding to 1001120113 its reverse (3110211001), we get a palindrome (4111331114).

The spelling of 1001120113 in words is "one billion, one million, one hundred twenty thousand, one hundred thirteen".