1126601680 has 40 divisors (see below), whose sum is σ = 2662300584. Its totient is φ = 443251200.

The previous prime is 1126601647. The next prime is 1126601689. The reversal of 1126601680 is 861066211.

It can be written as a sum of positive squares in 4 ways, for example, as 43138624 + 1083463056 = 6568^2 + 32916^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1126601689) 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 7 ways as a sum of consecutive naturals, for example, 110551 + ... + 120310.

Almost surely, 2^1126601680 is an apocalyptic number.

1126601680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1126601680 is an abundant number, since it is smaller than the sum of its proper divisors (1535698904).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1126601680 is a wasteful number, since it uses less digits than its factorization.

1126601680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230935 (or 230929 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 1126601680 is about 33564.8876059492. The cubic root of 1126601680 is about 1040.5352520904.

Adding to 1126601680 its reverse (861066211), we get a palindrome (1987667891).

The spelling of 1126601680 in words is "one billion, one hundred twenty-six million, six hundred one thousand, six hundred eighty".