1165602 has 8 divisors (see below), whose sum is σ = 2331216. Its totient is φ = 388532.

The previous prime is 1165583. The next prime is 1165643. The reversal of 1165602 is 2065611.

It is a happy number.

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

1165602 is an admirable number.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97128 + ... + 97139.

It is an arithmetic number, because the mean of its divisors is an integer number (291402).

2^1165602 is an apocalyptic number.

1165602 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1165602 is a wasteful number, since it uses less digits than its factorization.

1165602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194272.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 1165602 is about 1079.6304923445. The cubic root of 1165602 is about 105.2406272744.

Subtracting 1165602 from its reverse (2065611), we obtain a palindrome (900009).

The spelling of 1165602 in words is "one million, one hundred sixty-five thousand, six hundred two".