1123546045 has 8 divisors (see below), whose sum is σ = 1376941824. Its totient is φ = 879712464.

The previous prime is 1123546009. The next prime is 1123546049. The reversal of 1123546045 is 5406453211.

It is a happy number.

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 1123546045 - 2¹⁵ = 1123513277 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1123545998 and 1123546016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123546049) 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, 2390289 + ... + 2390758.

It is an arithmetic number, because the mean of its divisors is an integer number (172117728).

Almost surely, 2^1123546045 is an apocalyptic number.

It is an amenable number.

1123546045 is a deficient number, since it is larger than the sum of its proper divisors (253395779).

1123546045 is an equidigital number, since it uses as much as digits as its factorization.

1123546045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4781099.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 1123546045 is about 33519.3383735419. The cubic root of 1123546045 is about 1039.5936667697.

Adding to 1123546045 its reverse (5406453211), we get a palindrome (6529999256).

The spelling of 1123546045 in words is "one billion, one hundred twenty-three million, five hundred forty-six thousand, forty-five".