1126745856 has 288 divisors, whose sum is σ = 3626219520. Its totient is φ = 343719936.

The previous prime is 1126745849. The next prime is 1126745861. The reversal of 1126745856 is 6585476211.

1126745856 is a `hidden beast` number, since 1 + 1 + 2 + 67 + 4 + 585 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

Its product of digits (403200) is a multiple of the sum of its prime divisors (288).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5052561 + ... + 5052783.

It is an arithmetic number, because the mean of its divisors is an integer number (12591040).

Almost surely, 2^1126745856 is an apocalyptic number.

1126745856 is a gapful number since it is divisible by the number (16) 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 1126745856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1813109760).

1126745856 is an abundant number, since it is smaller than the sum of its proper divisors (2499473664).

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

1126745856 is a wasteful number, since it uses less digits than its factorization.

1126745856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308 (or 288 counting only the distinct ones).

The product of its digits is 403200, while the sum is 45.

The square root of 1126745856 is about 33567.0352578240. The cubic root of 1126745856 is about 1040.5796374350.

The spelling of 1126745856 in words is "one billion, one hundred twenty-six million, seven hundred forty-five thousand, eight hundred fifty-six".