1126416191 has 4 divisors (see below), whose sum is σ = 1175390832. Its totient is φ = 1077441552.

The previous prime is 1126416167. The next prime is 1126416199. The reversal of 1126416191 is 1916146211.

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 1126416191 - 2²² = 1122221887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1126416199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24487286 + ... + 24487331.

It is an arithmetic number, because the mean of its divisors is an integer number (293847708).

Almost surely, 2^1126416191 is an apocalyptic number.

1126416191 is a deficient number, since it is larger than the sum of its proper divisors (48974641).

1126416191 is an equidigital number, since it uses as much as digits as its factorization.

1126416191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48974640.

The product of its digits is 2592, while the sum is 32.

The square root of 1126416191 is about 33562.1243517153. The cubic root of 1126416191 is about 1040.4781427499.

The spelling of 1126416191 in words is "one billion, one hundred twenty-six million, four hundred sixteen thousand, one hundred ninety-one".