1106889720 has 256 divisors, whose sum is σ = 3792199680. Its totient is φ = 256819200.

The previous prime is 1106889653. The next prime is 1106889727. The reversal of 1106889720 is 279886011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1106889727) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1454140 + ... + 1454900.

It is an arithmetic number, because the mean of its divisors is an integer number (14813280).

Almost surely, 2^1106889720 is an apocalyptic number.

1106889720 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 1106889720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1896099840).

1106889720 is an abundant number, since it is smaller than the sum of its proper divisors (2685309960).

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

1106889720 is a wasteful number, since it uses less digits than its factorization.

1106889720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 846 (or 842 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 42.

The square root of 1106889720 is about 33269.9522091632. The cubic root of 1106889720 is about 1034.4308196283.

The spelling of 1106889720 in words is "one billion, one hundred six million, eight hundred eighty-nine thousand, seven hundred twenty".