1194809088 has 144 divisors (see below), whose sum is σ = 3489647616. Its totient is φ = 359915520.

The previous prime is 1194809047. The next prime is 1194809107. The reversal of 1194809088 is 8809084911.

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 1968081 + ... + 1968687.

It is an arithmetic number, because the mean of its divisors is an integer number (24233664).

Almost surely, 2^1194809088 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 1194809088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1744823808).

1194809088 is an abundant number, since it is smaller than the sum of its proper divisors (2294838528).

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

1194809088 is a wasteful number, since it uses less digits than its factorization.

1194809088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 870 (or 856 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 48.

The square root of 1194809088 is about 34566.0105884379. The cubic root of 1194809088 is about 1061.1240858047.

The spelling of 1194809088 in words is "one billion, one hundred ninety-four million, eight hundred nine thousand, eighty-eight".