1128583326 has 64 divisors (see below), whose sum is σ = 2485465920. Its totient is φ = 339517440.

The previous prime is 1128583321. The next prime is 1128583331. The reversal of 1128583326 is 6233858211.

It is an interprime number because it is at equal distance from previous prime (1128583321) and next prime (1128583331).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1128583321) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 917680 + ... + 918908.

It is an arithmetic number, because the mean of its divisors is an integer number (38835405).

Almost surely, 2^1128583326 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1128583326, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1242732960).

1128583326 is an abundant number, since it is smaller than the sum of its proper divisors (1356882594).

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

1128583326 is a wasteful number, since it uses less digits than its factorization.

1128583326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1501.

The product of its digits is 69120, while the sum is 39.

The square root of 1128583326 is about 33594.3942645198. The cubic root of 1128583326 is about 1041.1449809655.

The spelling of 1128583326 in words is "one billion, one hundred twenty-eight million, five hundred eighty-three thousand, three hundred twenty-six".