1122366780 has 120 divisors (see below), whose sum is σ = 3634646400. Its totient is φ = 289630080.

The previous prime is 1122366767. The next prime is 1122366797. The reversal of 1122366780 is 876632211.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 39046 + ... + 61394.

It is an arithmetic number, because the mean of its divisors is an integer number (30288720).

Almost surely, 2^1122366780 is an apocalyptic number.

1122366780 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 1122366780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1817323200).

1122366780 is an abundant number, since it is smaller than the sum of its proper divisors (2512279620).

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

1122366780 is a wasteful number, since it uses less digits than its factorization.

1122366780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22401 (or 22390 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 1122366780 is about 33501.7429397337. The cubic root of 1122366780 is about 1039.2298230271.

Adding to 1122366780 its reverse (876632211), we get a palindrome (1998998991).

The spelling of 1122366780 in words is "one billion, one hundred twenty-two million, three hundred sixty-six thousand, seven hundred eighty".