1189688 has 8 divisors (see below), whose sum is σ = 2230680. Its totient is φ = 594840.

The previous prime is 1189673. The next prime is 1189703. The reversal of 1189688 is 8869811.

It is an interprime number because it is at equal distance from previous prime (1189673) and next prime (1189703).

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74348 + ... + 74363.

It is an arithmetic number, because the mean of its divisors is an integer number (278835).

2^1189688 is an apocalyptic number.

It is an amenable number.

1189688 is a deficient number, since it is larger than the sum of its proper divisors (1040992).

1189688 is a wasteful number, since it uses less digits than its factorization.

1189688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148717 (or 148713 counting only the distinct ones).

The product of its digits is 27648, while the sum is 41.

The square root of 1189688 is about 1090.7281971234. The cubic root of 1189688 is about 105.9605881724.

The spelling of 1189688 in words is "one million, one hundred eighty-nine thousand, six hundred eighty-eight".