1160645 has 4 divisors (see below), whose sum is σ = 1392780. Its totient is φ = 928512.

The previous prime is 1160639. The next prime is 1160659. The reversal of 1160645 is 5460611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5460611 = 13 ⋅420047.

It can be written as a sum of positive squares in 2 ways, for example, as 206116 + 954529 = 454^2 + 977^2 .

It is a cyclic number.

It is not a de Polignac number, because 1160645 - 2⁶ = 1160581 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1160645.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 116060 + ... + 116069.

It is an arithmetic number, because the mean of its divisors is an integer number (348195).

2^1160645 is an apocalyptic number.

It is an amenable number.

1160645 is a deficient number, since it is larger than the sum of its proper divisors (232135).

1160645 is an equidigital number, since it uses as much as digits as its factorization.

1160645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232134.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 1160645 is about 1077.3323535474. The cubic root of 1160645 is about 105.0912283482.

The spelling of 1160645 in words is "one million, one hundred sixty thousand, six hundred forty-five".