1123013005 has 16 divisors (see below), whose sum is σ = 1357329600. Its totient is φ = 891959040.

The previous prime is 1123012999. The next prime is 1123013009. The reversal of 1123013005 is 5003103211.

It is not a de Polignac number, because 1123013005 - 2³ = 1123012997 is a prime.

It is a super-2 number, since 2×1123013005² = 2522316418798260050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1123013005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123013009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 455466 + ... + 457924.

It is an arithmetic number, because the mean of its divisors is an integer number (84833100).

Almost surely, 2^1123013005 is an apocalyptic number.

It is an amenable number.

1123013005 is a deficient number, since it is larger than the sum of its proper divisors (234316595).

1123013005 is a wasteful number, since it uses less digits than its factorization.

1123013005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3084.

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 1123013005 is about 33511.3861993204. The cubic root of 1123013005 is about 1039.4292371742.

Adding to 1123013005 its reverse (5003103211), we get a palindrome (6126116216).

The spelling of 1123013005 in words is "one billion, one hundred twenty-three million, thirteen thousand, five".