1100734680 has 128 divisors (see below), whose sum is σ = 3391891200. Its totient is φ = 285660672.

The previous prime is 1100734651. The next prime is 1100734697. The reversal of 1100734680 is 864370011.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 756834 + ... + 758286.

It is an arithmetic number, because the mean of its divisors is an integer number (26499150).

Almost surely, 2^1100734680 is an apocalyptic number.

1100734680 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 1100734680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1695945600).

1100734680 is an abundant number, since it is smaller than the sum of its proper divisors (2291156520).

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

1100734680 is a wasteful number, since it uses less digits than its factorization.

1100734680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1633 (or 1629 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 1100734680 is about 33177.3217725602. The cubic root of 1100734680 is about 1032.5098811461.

The spelling of 1100734680 in words is "one billion, one hundred million, seven hundred thirty-four thousand, six hundred eighty".