1126011081 has 16 divisors (see below), whose sum is σ = 1639612800. Its totient is φ = 683168640.

The previous prime is 1126011059. The next prime is 1126011097. The reversal of 1126011081 is 1801106211.

It is a happy number.

It is not a de Polignac number, because 1126011081 - 2¹⁵ = 1125978313 is a prime.

It is a super-3 number, since 3×1126011081³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1126011011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 200556 + ... + 206093.

It is an arithmetic number, because the mean of its divisors is an integer number (102475800).

Almost surely, 2^1126011081 is an apocalyptic number.

It is an amenable number.

1126011081 is a deficient number, since it is larger than the sum of its proper divisors (513601719).

1126011081 is a wasteful number, since it uses less digits than its factorization.

1126011081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406736.

The product of its (nonzero) digits is 96, while the sum is 21.

The square root of 1126011081 is about 33556.0885831469. The cubic root of 1126011081 is about 1040.3533935246.

Adding to 1126011081 its reverse (1801106211), we get a palindrome (2927117292).

The spelling of 1126011081 in words is "one billion, one hundred twenty-six million, eleven thousand, eighty-one".