1168609 has 8 divisors (see below), whose sum is σ = 1267112. Its totient is φ = 1071360.

The previous prime is 1168553. The next prime is 1168619. The reversal of 1168609 is 9068611.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 138384 + 1030225 = 372^2 + 1015^2 .

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 1168609 - 2¹⁷ = 1037537 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1168619) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2947 + ... + 3319.

It is an arithmetic number, because the mean of its divisors is an integer number (158389).

2^1168609 is an apocalyptic number.

It is an amenable number.

1168609 is a deficient number, since it is larger than the sum of its proper divisors (98503).

1168609 is a wasteful number, since it uses less digits than its factorization.

1168609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627.

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 1168609 is about 1081.0222014371. The cubic root of 1168609 is about 105.3310488831.

The spelling of 1168609 in words is "one million, one hundred sixty-eight thousand, six hundred nine".