1126791000 has 192 divisors, whose sum is σ = 3950462880. Its totient is φ = 300412800.

The previous prime is 1126790941. The next prime is 1126791023. The reversal of 1126791000 is 1976211.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 240682 + ... + 245318.

Almost surely, 2^1126791000 is an apocalyptic number.

1126791000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1126791000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1975231440).

1126791000 is an abundant number, since it is smaller than the sum of its proper divisors (2823671880).

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

1126791000 is an equidigital number, since it uses as much as digits as its factorization.

1126791000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4673 (or 4647 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 27.

The square root of 1126791000 is about 33567.7076965348. The cubic root of 1126791000 is about 1040.5935344759.

The spelling of 1126791000 in words is "one billion, one hundred twenty-six million, seven hundred ninety-one thousand".