1123532005 has 16 divisors (see below), whose sum is σ = 1356297984. Its totient is φ = 893471040.

The previous prime is 1123531987. The next prime is 1123532009. The reversal of 1123532005 is 5002353211.

It is not a de Polignac number, because 1123532005 - 2¹³ = 1123523813 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 (1123532009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 733090 + ... + 734620.

It is an arithmetic number, because the mean of its divisors is an integer number (84768624).

Almost surely, 2^1123532005 is an apocalyptic number.

It is an amenable number.

1123532005 is a deficient number, since it is larger than the sum of its proper divisors (232765979).

1123532005 is a wasteful number, since it uses less digits than its factorization.

1123532005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2316.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 1123532005 is about 33519.1289415462. The cubic root of 1123532005 is about 1039.5893364455.

Adding to 1123532005 its reverse (5002353211), we get a palindrome (6125885216).

The spelling of 1123532005 in words is "one billion, one hundred twenty-three million, five hundred thirty-two thousand, five".