1103346720 has 432 divisors, whose sum is σ = 4616015040. Its totient is φ = 238629888.

The previous prime is 1103346719. The next prime is 1103346737. The reversal of 1103346720 is 276433011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1340229 + ... + 1341051.

It is an arithmetic number, because the mean of its divisors is an integer number (10685220).

Almost surely, 2^1103346720 is an apocalyptic number.

1103346720 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 1103346720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2308007520).

1103346720 is an abundant number, since it is smaller than the sum of its proper divisors (3512668320).

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

1103346720 is a wasteful number, since it uses less digits than its factorization.

1103346720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 877 (or 859 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 1103346720 is about 33216.6632881751. The cubic root of 1103346720 is about 1033.3259502305.

Adding to 1103346720 its reverse (276433011), we get a palindrome (1379779731).

The spelling of 1103346720 in words is "one billion, one hundred three million, three hundred forty-six thousand, seven hundred twenty".