1194987996 has 36 divisors (see below), whose sum is σ = 3022520592. Its totient is φ = 398084544.

The previous prime is 1194987991. The next prime is 1194988061. The reversal of 1194987996 is 6997894911.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1194987991) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54880 + ... + 73496.

Almost surely, 2^1194987996 is an apocalyptic number.

It is an amenable number.

1194987996 is an abundant number, since it is smaller than the sum of its proper divisors (1827532596).

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

1194987996 is a wasteful number, since it uses less digits than its factorization.

1194987996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20410 (or 20405 counting only the distinct ones).

The product of its digits is 8817984, while the sum is 63.

The square root of 1194987996 is about 34568.5984095393. The cubic root of 1194987996 is about 1061.1770465985.

The spelling of 1194987996 in words is "one billion, one hundred ninety-four million, nine hundred eighty-seven thousand, nine hundred ninety-six".