1120421023040 has 112 divisors (see below), whose sum is σ = 2911509365184. Its totient is φ = 407291289600.

The previous prime is 1120421022991. The next prime is 1120421023081. The reversal of 1120421023040 is 403201240211.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10934927 + ... + 11036913.

It is an arithmetic number, because the mean of its divisors is an integer number (25995619332).

Almost surely, 2^{1120421023040} is an apocalyptic number.

1120421023040 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 1120421023040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1455754682592).

1120421023040 is an abundant number, since it is smaller than the sum of its proper divisors (1791088342144).

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

1120421023040 is a wasteful number, since it uses less digits than its factorization.

1120421023040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105136 (or 105126 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 1120421023040 its reverse (403201240211), we get a palindrome (1523622263251).

The spelling of 1120421023040 in words is "one trillion, one hundred twenty billion, four hundred twenty-one million, twenty-three thousand, forty".