1126209680 has 40 divisors (see below), whose sum is σ = 2622100032. Its totient is φ = 449853824.

The previous prime is 1126209661. The next prime is 1126209719. The reversal of 1126209680 is 869026211.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1126209680.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49967 + ... + 68913.

Almost surely, 2^1126209680 is an apocalyptic number.

1126209680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1126209680 is an abundant number, since it is smaller than the sum of its proper divisors (1495890352).

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

1126209680 is a wasteful number, since it uses less digits than its factorization.

1126209680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19703 (or 19697 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 1126209680 is about 33559.0476622922. The cubic root of 1126209680 is about 1040.4145536680.

The spelling of 1126209680 in words is "one billion, one hundred twenty-six million, two hundred nine thousand, six hundred eighty".