1160591 has 4 divisors (see below), whose sum is σ = 1172184. Its totient is φ = 1149000.

The previous prime is 1160581. The next prime is 1160597. The reversal of 1160591 is 1950611.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1160591 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 (1160597) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5645 + ... + 5846.

It is an arithmetic number, because the mean of its divisors is an integer number (293046).

2^1160591 is an apocalyptic number.

1160591 is a deficient number, since it is larger than the sum of its proper divisors (11593).

1160591 is a wasteful number, since it uses less digits than its factorization.

1160591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11592.

The product of its (nonzero) digits is 270, while the sum is 23.

The square root of 1160591 is about 1077.3072913519. The cubic root of 1160591 is about 105.0895985032.

The spelling of 1160591 in words is "one million, one hundred sixty thousand, five hundred ninety-one".