1123244421040 has 160 divisors (see below), whose sum is σ = 3069867373056. Its totient is φ = 374205726720.

The previous prime is 1123244421017. The next prime is 1123244421041. The reversal of 1123244421040 is 401244423211.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (1123244421041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4526595 + ... + 4768285.

Almost surely, 2^{1123244421040} is an apocalyptic number.

1123244421040 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 1123244421040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1534933686528).

1123244421040 is an abundant number, since it is smaller than the sum of its proper divisors (1946622952016).

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

1123244421040 is a wasteful number, since it uses less digits than its factorization.

1123244421040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241947 (or 241941 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 1123244421040 its reverse (401244423211), we get a palindrome (1524488844251).

The spelling of 1123244421040 in words is "one trillion, one hundred twenty-three billion, two hundred forty-four million, four hundred twenty-one thousand, forty".