1122115680 has 864 divisors, whose sum is σ = 5019356160. Its totient is φ = 235146240.

The previous prime is 1122115663. The next prime is 1122115717. The reversal of 1122115680 is 865112211.

It is a tau number, because it is divible by the number of its divisors (864).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 36197265 + ... + 36197295.

It is an arithmetic number, because the mean of its divisors is an integer number (5809440).

Almost surely, 2^1122115680 is an apocalyptic number.

1122115680 is a gapful number since it is divisible by the number (10) 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 1122115680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2509678080).

1122115680 is an abundant number, since it is smaller than the sum of its proper divisors (3897240480).

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

1122115680 is a wasteful number, since it uses less digits than its factorization.

1122115680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94 (or 67 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 27.

The square root of 1122115680 is about 33497.9951638900. The cubic root of 1122115680 is about 1039.1523171482.

Adding to 1122115680 its reverse (865112211), we get a palindrome (1987227891).

The spelling of 1122115680 in words is "one billion, one hundred twenty-two million, one hundred fifteen thousand, six hundred eighty".