1194159834 has 96 divisors (see below), whose sum is σ = 3085729920. Its totient is φ = 339049152.

The previous prime is 1194159833. The next prime is 1194159847. The reversal of 1194159834 is 4389514911.

1194159834 is a `hidden beast` number, since 1 + 19 + 41 + 598 + 3 + 4 = 666.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1194159834.

It is not an unprimeable number, because it can be changed into a prime (1194159833) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 587532 + ... + 589560.

It is an arithmetic number, because the mean of its divisors is an integer number (32143020).

Almost surely, 2^1194159834 is an apocalyptic number.

1194159834 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1194159834, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1542864960).

1194159834 is an abundant number, since it is smaller than the sum of its proper divisors (1891570086).

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

1194159834 is a wasteful number, since it uses less digits than its factorization.

1194159834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2226 (or 2214 counting only the distinct ones).

The product of its digits is 155520, while the sum is 45.

The square root of 1194159834 is about 34556.6178032515. The cubic root of 1194159834 is about 1060.9318475940.

It can be divided in two parts, 1194 and 159834, that added together give a triangular number (161028 = T₅₆₇).

The spelling of 1194159834 in words is "one billion, one hundred ninety-four million, one hundred fifty-nine thousand, eight hundred thirty-four".