1128553104 has 120 divisors (see below), whose sum is σ = 3402252480. Its totient is φ = 321414912.

The previous prime is 1128553099. The next prime is 1128553117. The reversal of 1128553104 is 4013558211.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1031982 + ... + 1033074.

It is an arithmetic number, because the mean of its divisors is an integer number (28352104).

Almost surely, 2^1128553104 is an apocalyptic number.

1128553104 is a gapful number since it is divisible by the number (14) 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 1128553104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1701126240).

1128553104 is an abundant number, since it is smaller than the sum of its proper divisors (2273699376).

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

1128553104 is a wasteful number, since it uses less digits than its factorization.

1128553104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1557 (or 1544 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 30.

The square root of 1128553104 is about 33593.9444543209. The cubic root of 1128553104 is about 1041.1356873778.

The spelling of 1128553104 in words is "one billion, one hundred twenty-eight million, five hundred fifty-three thousand, one hundred four".