1178012116 has 12 divisors (see below), whose sum is σ = 2062131988. Its totient is φ = 588831552.

The previous prime is 1178012107. The next prime is 1178012117. The reversal of 1178012116 is 6112108711.

It can be written as a sum of positive squares in 2 ways, for example, as 777852100 + 400160016 = 27890^2 + 20004^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1178012117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27801 + ... + 55936.

Almost surely, 2^1178012116 is an apocalyptic number.

It is an amenable number.

1178012116 is a deficient number, since it is larger than the sum of its proper divisors (884119872).

1178012116 is a wasteful number, since it uses less digits than its factorization.

1178012116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87258 (or 87256 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 28.

The square root of 1178012116 is about 34322.1811078492. The cubic root of 1178012116 is about 1056.1280704883.

The spelling of 1178012116 in words is "one billion, one hundred seventy-eight million, twelve thousand, one hundred sixteen".