1122669387840 has 2688 divisors, whose sum is σ = 5144498085888. Its totient is φ = 203692769280.

The previous prime is 1122669387797. The next prime is 1122669387841. The reversal of 1122669387840 is 487839662211.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1122669387841) by changing a digit.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 16756259487 + ... + 16756259553.

It is an arithmetic number, because the mean of its divisors is an integer number (1913875776).

Almost surely, 2^{1122669387840} is an apocalyptic number.

1122669387840 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 1122669387840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2572249042944).

1122669387840 is an abundant number, since it is smaller than the sum of its proper divisors (4021828698048).

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

1122669387840 is a wasteful number, since it uses less digits than its factorization.

1122669387840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225 (or 208 counting only the distinct ones).

The product of its (nonzero) digits is 6967296, while the sum is 57.

The spelling of 1122669387840 in words is "one trillion, one hundred twenty-two billion, six hundred sixty-nine million, three hundred eighty-seven thousand, eight hundred forty".