1120002013 has 4 divisors (see below), whose sum is σ = 1206156028. Its totient is φ = 1033848000.

The previous prime is 1120002001. The next prime is 1120002071. The reversal of 1120002013 is 3102000211.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 75290329 + 1044711684 = 8677^2 + 32322^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1120002013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120002613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43076988 + ... + 43077013.

It is an arithmetic number, because the mean of its divisors is an integer number (301539007).

Almost surely, 2^1120002013 is an apocalyptic number.

1120002013 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1120002013 is a deficient number, since it is larger than the sum of its proper divisors (86154015).

1120002013 is an equidigital number, since it uses as much as digits as its factorization.

1120002013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86154014.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 1120002013 is about 33466.4311362894. The cubic root of 1120002013 is about 1038.4994425419.

Adding to 1120002013 its reverse (3102000211), we get a palindrome (4222002224).

The spelling of 1120002013 in words is "one billion, one hundred twenty million, two thousand, thirteen".