1189974016 has 195 divisors, whose sum is σ = 3051417803.
Its totient is φ = 463626240.
The previous prime is 1189973989. The next prime is 1189974017. The reversal of 1189974016 is 6104799811.
The square root of 1189974016 is 34496.
It is a perfect power (a square), and thus also a powerful number.
It is not an unprimeable number, because it can be changed into a prime (1189974017) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 108179451 + ... + 108179461.
Almost surely, 21189974016 is an apocalyptic number.
1189974016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.
1189974016 is the 34496-th square number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1189974016
1189974016 is an abundant number, since it is smaller than the sum of its proper divisors (1861443787).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1189974016 is an frugal number, since it uses more digits than its factorization.
1189974016 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 74 (or 20 counting only the distinct ones).
The product of its (nonzero) digits is 108864, while the sum is 46.
The cubic root of 1189974016 is about 1059.6907891259.
The spelling of 1189974016 in words is "one billion, one hundred eighty-nine million, nine hundred seventy-four thousand, sixteen".