1170669 has 4 divisors (see below), whose sum is σ = 1560896. Its totient is φ = 780444.

The previous prime is 1170667. The next prime is 1170679. The reversal of 1170669 is 9660711.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1170669 - 2¹ = 1170667 is a prime.

It is a super-2 number, since 2×1170669² = 2740931815122, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1170661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 195109 + ... + 195114.

It is an arithmetic number, because the mean of its divisors is an integer number (390224).

2^1170669 is an apocalyptic number.

It is an amenable number.

1170669 is a deficient number, since it is larger than the sum of its proper divisors (390227).

1170669 is an equidigital number, since it uses as much as digits as its factorization.

1170669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390226.

The product of its (nonzero) digits is 2268, while the sum is 30.

The square root of 1170669 is about 1081.9745838050. The cubic root of 1170669 is about 105.3929043564.

The spelling of 1170669 in words is "one million, one hundred seventy thousand, six hundred sixty-nine".