1126805829 has 16 divisors (see below), whose sum is σ = 1552690944. Its totient is φ = 726387200.

The previous prime is 1126805809. The next prime is 1126805839. The reversal of 1126805829 is 9285086211.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1126805829 - 2⁸ = 1126805573 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1126805809) 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, 26637 + ... + 54434.

It is an arithmetic number, because the mean of its divisors is an integer number (97043184).

Almost surely, 2^1126805829 is an apocalyptic number.

It is an amenable number.

1126805829 is a deficient number, since it is larger than the sum of its proper divisors (425885115).

1126805829 is a wasteful number, since it uses less digits than its factorization.

1126805829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81228.

The product of its (nonzero) digits is 69120, while the sum is 42.

The square root of 1126805829 is about 33567.9285777362. The cubic root of 1126805829 is about 1040.5980993254.

The spelling of 1126805829 in words is "one billion, one hundred twenty-six million, eight hundred five thousand, eight hundred twenty-nine".