1194877988 has 24 divisors (see below), whose sum is σ = 2121336000. Its totient is φ = 588839328.

The previous prime is 1194877973. The next prime is 1194877993. The reversal of 1194877988 is 8897784911.

It is a self number, because there is not a number n which added to its sum of digits gives 1194877988.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78158 + ... + 92186.

It is an arithmetic number, because the mean of its divisors is an integer number (88389000).

Almost surely, 2^1194877988 is an apocalyptic number.

It is an amenable number.

1194877988 is a deficient number, since it is larger than the sum of its proper divisors (926458012).

1194877988 is a wasteful number, since it uses less digits than its factorization.

1194877988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14339 (or 14337 counting only the distinct ones).

The product of its digits is 8128512, while the sum is 62.

The square root of 1194877988 is about 34567.0072178660. The cubic root of 1194877988 is about 1061.1444823810.

The spelling of 1194877988 in words is "one billion, one hundred ninety-four million, eight hundred seventy-seven thousand, nine hundred eighty-eight".