1126540771 has 4 divisors (see below), whose sum is σ = 1126638952. Its totient is φ = 1126442592.

The previous prime is 1126540733. The next prime is 1126540781. The reversal of 1126540771 is 1770456211.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1126540771 - 2¹⁹ = 1126016483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1126540781) 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, 29190 + ... + 55723.

It is an arithmetic number, because the mean of its divisors is an integer number (281659738).

Almost surely, 2^1126540771 is an apocalyptic number.

1126540771 is a deficient number, since it is larger than the sum of its proper divisors (98181).

1126540771 is an equidigital number, since it uses as much as digits as its factorization.

1126540771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98180.

The product of its (nonzero) digits is 11760, while the sum is 34.

The square root of 1126540771 is about 33563.9802615840. The cubic root of 1126540771 is about 1040.5164997946.

Adding to 1126540771 its reverse (1770456211), we get a palindrome (2896996982).

The spelling of 1126540771 in words is "one billion, one hundred twenty-six million, five hundred forty thousand, seven hundred seventy-one".