1123002013 has 8 divisors (see below), whose sum is σ = 1314734400. Its totient is φ = 939095520.

The previous prime is 1123002007. The next prime is 1123002019. The reversal of 1123002013 is 3102003211.

It is an interprime number because it is at equal distance from previous prime (1123002007) and next prime (1123002019).

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 1123002013 - 2⁹ = 1123001501 is a prime.

It is a super-2 number, since 2×1123002013² = 2522267042404104338, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1123001984 and 1123002002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123002019) 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, 1956163 + ... + 1956736.

It is an arithmetic number, because the mean of its divisors is an integer number (164341800).

Almost surely, 2^1123002013 is an apocalyptic number.

It is an amenable number.

1123002013 is a deficient number, since it is larger than the sum of its proper divisors (191732387).

1123002013 is an equidigital number, since it uses as much as digits as its factorization.

1123002013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3912947.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 1123002013 is about 33511.2221949603. Note that the first 3 decimals coincide. The cubic root of 1123002013 is about 1039.4258458679.

Adding to 1123002013 its reverse (3102003211), we get a palindrome (4225005224).

The spelling of 1123002013 in words is "one billion, one hundred twenty-three million, two thousand, thirteen".