1126666667 has 4 divisors (see below), whose sum is σ = 1287619056. Its totient is φ = 965714280.

The previous prime is 1126666663. The next prime is 1126666703. The reversal of 1126666667 is 7666666211.

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

It is a cyclic number.

It is not a de Polignac number, because 1126666667 - 2² = 1126666663 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (1126666663) 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, 80476184 + ... + 80476197.

It is an arithmetic number, because the mean of its divisors is an integer number (321904764).

Almost surely, 2^1126666667 is an apocalyptic number.

1126666667 is a deficient number, since it is larger than the sum of its proper divisors (160952389).

1126666667 is an equidigital number, since it uses as much as digits as its factorization.

1126666667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160952388.

The product of its digits is 653184, while the sum is 47.

The square root of 1126666667 is about 33565.8556720963. The cubic root of 1126666667 is about 1040.5552591510. Note that the first 3 decimals are identical.

The spelling of 1126666667 in words is "one billion, one hundred twenty-six million, six hundred sixty-six thousand, six hundred sixty-seven".