1128373792 has 144 divisors (see below), whose sum is σ = 2820085632. Its totient is φ = 434903040.

The previous prime is 1128373787. The next prime is 1128373837. The reversal of 1128373792 is 2973738211.

It is a congruent number.

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, 1551733 + ... + 1552459.

It is an arithmetic number, because the mean of its divisors is an integer number (19583928).

Almost surely, 2^1128373792 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1128373792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1410042816).

1128373792 is an abundant number, since it is smaller than the sum of its proper divisors (1691711840).

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

1128373792 is a wasteful number, since it uses less digits than its factorization.

1128373792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 811 (or 790 counting only the distinct ones).

The product of its digits is 127008, while the sum is 43.

The square root of 1128373792 is about 33591.2755339835. The cubic root of 1128373792 is about 1041.0805436101.

The spelling of 1128373792 in words is "one billion, one hundred twenty-eight million, three hundred seventy-three thousand, seven hundred ninety-two".