1080040128 has 56 divisors (see below), whose sum is σ = 2862681600. Its totient is φ = 359374080.

The previous prime is 1080040121. The next prime is 1080040133. The reversal of 1080040128 is 8210400801.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 1080040098 and 1080040107.

It is not an unprimeable number, because it can be changed into a prime (1080040121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110313 + ... + 119703.

Almost surely, 2^1080040128 is an apocalyptic number.

It is an amenable number.

1080040128 is an abundant number, since it is smaller than the sum of its proper divisors (1782641472).

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

1080040128 is an equidigital number, since it uses as much as digits as its factorization.

1080040128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10005 (or 9995 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 24.

The square root of 1080040128 is about 32863.9639727164. The cubic root of 1080040128 is about 1025.9982748699.

Adding to 1080040128 its reverse (8210400801), we get a palindrome (9290440929).

The spelling of 1080040128 in words is "one billion, eighty million, forty thousand, one hundred twenty-eight".