1190665 has 8 divisors (see below), whose sum is σ = 1632960. Its totient is φ = 816432.

The previous prime is 1190647. The next prime is 1190671. The reversal of 1190665 is 5660911.

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 1190665 - 2⁵ = 1190633 is a prime.

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, 16975 + ... + 17044.

It is an arithmetic number, because the mean of its divisors is an integer number (204120).

2^1190665 is an apocalyptic number.

It is an amenable number.

1190665 is a deficient number, since it is larger than the sum of its proper divisors (442295).

1190665 is an equidigital number, since it uses as much as digits as its factorization.

1190665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34031.

The product of its (nonzero) digits is 1620, while the sum is 28.

The square root of 1190665 is about 1091.1759711431. The cubic root of 1190665 is about 105.9895860186.

The spelling of 1190665 in words is "one million, one hundred ninety thousand, six hundred sixty-five".