1126809550 has 24 divisors (see below), whose sum is σ = 2107996776. Its totient is φ = 448115040.

The previous prime is 1126809533. The next prime is 1126809559. The reversal of 1126809550 is 559086211.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1126809559) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56484 + ... + 73783.

It is an arithmetic number, because the mean of its divisors is an integer number (87833199).

Almost surely, 2^1126809550 is an apocalyptic number.

1126809550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1126809550 is a deficient number, since it is larger than the sum of its proper divisors (981187226).

1126809550 is a wasteful number, since it uses less digits than its factorization.

1126809550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130452 (or 130447 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 37.

The square root of 1126809550 is about 33567.9840026177. The cubic root of 1126809550 is about 1040.5992447641.

The spelling of 1126809550 in words is "one billion, one hundred twenty-six million, eight hundred nine thousand, five hundred fifty".