1189115 has 8 divisors (see below), whose sum is σ = 1502160. Its totient is φ = 901152.

The previous prime is 1189109. The next prime is 1189121. The reversal of 1189115 is 5119811.

It is an interprime number because it is at equal distance from previous prime (1189109) and next prime (1189121).

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

It is a cyclic number.

It is not a de Polignac number, because 1189115 - 2¹⁸ = 926971 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6164 + ... + 6353.

It is an arithmetic number, because the mean of its divisors is an integer number (187770).

2^1189115 is an apocalyptic number.

1189115 is a deficient number, since it is larger than the sum of its proper divisors (313045).

1189115 is a wasteful number, since it uses less digits than its factorization.

1189115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12541.

The product of its digits is 360, while the sum is 26.

The square root of 1189115 is about 1090.4654969324. The cubic root of 1189115 is about 105.9435738607.

The spelling of 1189115 in words is "one million, one hundred eighty-nine thousand, one hundred fifteen".