1122446780 has 48 divisors (see below), whose sum is σ = 2901097920. Its totient is φ = 355235328.

The previous prime is 1122446761. The next prime is 1122446789. The reversal of 1122446780 is 876442211.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 1122446780.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122446789) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 306545 + ... + 310184.

It is an arithmetic number, because the mean of its divisors is an integer number (60439540).

Almost surely, 2^1122446780 is an apocalyptic number.

1122446780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1122446780 is an abundant number, since it is smaller than the sum of its proper divisors (1778651140).

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

1122446780 is a wasteful number, since it uses less digits than its factorization.

1122446780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 616758 (or 616756 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 1122446780 is about 33502.9368861895. The cubic root of 1122446780 is about 1039.2545138300.

Adding to 1122446780 its reverse (876442211), we get a palindrome (1998888991).

The spelling of 1122446780 in words is "one billion, one hundred twenty-two million, four hundred forty-six thousand, seven hundred eighty".