1125126041 has 4 divisors (see below), whose sum is σ = 1211674212. Its totient is φ = 1038577872.

The previous prime is 1125126017. The next prime is 1125126043. The reversal of 1125126041 is 1406215211.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 626050441 + 499075600 = 25021^2 + 22340^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1125126041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1125125998 and 1125126016.

It is not an unprimeable number, because it can be changed into a prime (1125126043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43274066 + ... + 43274091.

It is an arithmetic number, because the mean of its divisors is an integer number (302918553).

Almost surely, 2^1125126041 is an apocalyptic number.

It is an amenable number.

1125126041 is a deficient number, since it is larger than the sum of its proper divisors (86548171).

1125126041 is an equidigital number, since it uses as much as digits as its factorization.

1125126041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86548170.

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 1125126041 is about 33542.8985181663. The cubic root of 1125126041 is about 1040.0807509415.

The spelling of 1125126041 in words is "one billion, one hundred twenty-five million, one hundred twenty-six thousand, forty-one".