1126440128 has 56 divisors (see below), whose sum is σ = 2581954704. Its totient is φ = 481894400.

The previous prime is 1126440067. The next prime is 1126440143. The reversal of 1126440128 is 8210446211.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1126440128.

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, 35093 + ... + 59028.

It is an arithmetic number, because the mean of its divisors is an integer number (46106334).

Almost surely, 2^1126440128 is an apocalyptic number.

It is an amenable number.

1126440128 is an abundant number, since it is smaller than the sum of its proper divisors (1455514576).

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

1126440128 is a wasteful number, since it uses less digits than its factorization.

1126440128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94161 (or 94151 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 1126440128 is about 33562.4809571641. The cubic root of 1126440128 is about 1040.4855129531.

Adding to 1126440128 its reverse (8210446211), we get a palindrome (9336886339).

The spelling of 1126440128 in words is "one billion, one hundred twenty-six million, four hundred forty thousand, one hundred twenty-eight".