1126457280 has 280 divisors, whose sum is σ = 4316528832. Its totient is φ = 277198848.

The previous prime is 1126457279. The next prime is 1126457317. The reversal of 1126457280 is 827546211.

1126457280 is a `hidden beast` number, since 1 + 1 + 2 + 6 + 4 + 572 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

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 39 ways as a sum of consecutive naturals, for example, 335289 + ... + 338631.

Almost surely, 2^1126457280 is an apocalyptic number.

1126457280 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 1126457280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2158264416).

1126457280 is an abundant number, since it is smaller than the sum of its proper divisors (3190071552).

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

1126457280 is a wasteful number, since it uses less digits than its factorization.

1126457280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3385 (or 3366 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 1126457280 is about 33562.7364796138. The cubic root of 1126457280 is about 1040.4907939904.

The spelling of 1126457280 in words is "one billion, one hundred twenty-six million, four hundred fifty-seven thousand, two hundred eighty".