1188106704 has 140 divisors (see below), whose sum is σ = 3545923716. Its totient is φ = 385191936.

The previous prime is 1188106697. The next prime is 1188106721. The reversal of 1188106704 is 4076018811.

It can be written as a sum of positive squares in 2 ways, for example, as 1085043600 + 103063104 = 32940^2 + 10152^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 430192 + ... + 432944.

Almost surely, 2^1188106704 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1188106704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1772961858).

1188106704 is an abundant number, since it is smaller than the sum of its proper divisors (2357817012).

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

1188106704 is an equidigital number, since it uses as much as digits as its factorization.

1188106704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2816 (or 2795 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 36.

The square root of 1188106704 is about 34468.9237429891. The cubic root of 1188106704 is about 1059.1362085954.

The spelling of 1188106704 in words is "one billion, one hundred eighty-eight million, one hundred six thousand, seven hundred four".