1126380005 has 16 divisors (see below), whose sum is σ = 1372638960. Its totient is φ = 887212032.

The previous prime is 1126380001. The next prime is 1126380007. The reversal of 1126380005 is 5000836211.

It can be written as a sum of positive squares in 8 ways, for example, as 7745089 + 1118634916 = 2783^2 + 33446^2 .

It is a cyclic number.

It is not a de Polignac number, because 1126380005 - 2² = 1126380001 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1126380001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89651 + ... + 101439.

It is an arithmetic number, because the mean of its divisors is an integer number (85789935).

Almost surely, 2^1126380005 is an apocalyptic number.

It is an amenable number.

1126380005 is a deficient number, since it is larger than the sum of its proper divisors (246258955).

1126380005 is a wasteful number, since it uses less digits than its factorization.

1126380005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12088.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 1126380005 is about 33561.5852575530. The cubic root of 1126380005 is about 1040.4670008808.

The spelling of 1126380005 in words is "one billion, one hundred twenty-six million, three hundred eighty thousand, five".