1188668942 has 8 divisors (see below), whose sum is σ = 1790999616. Its totient is φ = 591669072.

The previous prime is 1188668939. The next prime is 1188668953. The reversal of 1188668942 is 2498668811.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1332143 + ... + 1333034.

It is an arithmetic number, because the mean of its divisors is an integer number (223874952).

Almost surely, 2^1188668942 is an apocalyptic number.

1188668942 is a deficient number, since it is larger than the sum of its proper divisors (602330674).

1188668942 is a wasteful number, since it uses less digits than its factorization.

1188668942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2665402.

The product of its digits is 1327104, while the sum is 53.

The square root of 1188668942 is about 34477.0785015204. The cubic root of 1188668942 is about 1059.3032510319.

The spelling of 1188668942 in words is "one billion, one hundred eighty-eight million, six hundred sixty-eight thousand, nine hundred forty-two".