1126334661 has 4 divisors (see below), whose sum is σ = 1501779552. Its totient is φ = 750889772.

The previous prime is 1126334659. The next prime is 1126334707. The reversal of 1126334661 is 1664336211.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1664336211 = 3 ⋅554778737.

It is a cyclic number.

It is not a de Polignac number, because 1126334661 - 2¹ = 1126334659 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1126334621) 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, 187722441 + ... + 187722446.

It is an arithmetic number, because the mean of its divisors is an integer number (375444888).

Almost surely, 2^1126334661 is an apocalyptic number.

It is an amenable number.

1126334661 is a deficient number, since it is larger than the sum of its proper divisors (375444891).

1126334661 is an equidigital number, since it uses as much as digits as its factorization.

1126334661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375444890.

The product of its digits is 15552, while the sum is 33.

The square root of 1126334661 is about 33560.9097165139. The cubic root of 1126334661 is about 1040.4530388761.

The spelling of 1126334661 in words is "one billion, one hundred twenty-six million, three hundred thirty-four thousand, six hundred sixty-one".