1125454043 has 16 divisors (see below), whose sum is σ = 1375948224. Its totient is φ = 898560000.

The previous prime is 1125454013. The next prime is 1125454091. The reversal of 1125454043 is 3404545211.

It is a cyclic number.

It is not a de Polignac number, because 1125454043 - 2¹⁰ = 1125453019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1125453997 and 1125454015.

It is not an unprimeable number, because it can be changed into a prime (1125454003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37208 + ... + 60293.

It is an arithmetic number, because the mean of its divisors is an integer number (85996764).

Almost surely, 2^1125454043 is an apocalyptic number.

1125454043 is a deficient number, since it is larger than the sum of its proper divisors (250494181).

1125454043 is an equidigital number, since it uses as much as digits as its factorization.

1125454043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97622.

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 1125454043 is about 33547.7874531242. The cubic root of 1125454043 is about 1040.1818108548.

Adding to 1125454043 its reverse (3404545211), we get a palindrome (4529999254).

The spelling of 1125454043 in words is "one billion, one hundred twenty-five million, four hundred fifty-four thousand, forty-three".