1126505741 has 4 divisors (see below), whose sum is σ = 1129644000. Its totient is φ = 1123367484.

The previous prime is 1126505711. The next prime is 1126505749. The reversal of 1126505741 is 1475056211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1126505741 - 2¹⁸ = 1126243597 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1126505698 and 1126505707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1126505749) 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 3 ways as a sum of consecutive naturals, for example, 1568591 + ... + 1569308.

It is an arithmetic number, because the mean of its divisors is an integer number (282411000).

Almost surely, 2^1126505741 is an apocalyptic number.

It is an amenable number.

1126505741 is a deficient number, since it is larger than the sum of its proper divisors (3138259).

1126505741 is an equidigital number, since it uses as much as digits as its factorization.

1126505741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3138258.

The product of its (nonzero) digits is 8400, while the sum is 32.

The square root of 1126505741 is about 33563.4584183454. The cubic root of 1126505741 is about 1040.5057146632.

The spelling of 1126505741 in words is "one billion, one hundred twenty-six million, five hundred five thousand, seven hundred forty-one".