1123536113 has 8 divisors (see below), whose sum is σ = 1290560832. Its totient is φ = 958141296.

The previous prime is 1123536109. The next prime is 1123536119. The reversal of 1123536113 is 3116353211.

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

It is not a de Polignac number, because 1123536113 - 2² = 1123536109 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1123536119) 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, 405995 + ... + 408752.

It is an arithmetic number, because the mean of its divisors is an integer number (161320104).

Almost surely, 2^1123536113 is an apocalyptic number.

It is an amenable number.

1123536113 is a deficient number, since it is larger than the sum of its proper divisors (167024719).

1123536113 is an equidigital number, since it uses as much as digits as its factorization.

1123536113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 814951.

The product of its digits is 1620, while the sum is 26.

The square root of 1123536113 is about 33519.1902199322. The cubic root of 1123536113 is about 1039.5906034700.

Adding to 1123536113 its reverse (3116353211), we get a palindrome (4239889324).

The spelling of 1123536113 in words is "one billion, one hundred twenty-three million, five hundred thirty-six thousand, one hundred thirteen".