1123352545 has 16 divisors (see below), whose sum is σ = 1607581440. Its totient is φ = 736807104.

The previous prime is 1123352533. The next prime is 1123352569. The reversal of 1123352545 is 5452533211.

It is a cyclic number.

It is not a de Polignac number, because 1123352545 - 2²⁵ = 1089798113 is a prime.

It is an unprimeable number.

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, 696930 + ... + 698539.

It is an arithmetic number, because the mean of its divisors is an integer number (100473840).

Almost surely, 2^1123352545 is an apocalyptic number.

It is an amenable number.

1123352545 is a deficient number, since it is larger than the sum of its proper divisors (484228895).

1123352545 is a wasteful number, since it uses less digits than its factorization.

1123352545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1395504.

The product of its digits is 18000, while the sum is 31.

The square root of 1123352545 is about 33516.4518557678. The cubic root of 1123352545 is about 1039.5339828417.

Adding to 1123352545 its reverse (5452533211), we get a palindrome (6575885756).

The spelling of 1123352545 in words is "one billion, one hundred twenty-three million, three hundred fifty-two thousand, five hundred forty-five".