1160855 has 4 divisors (see below), whose sum is σ = 1393032. Its totient is φ = 928680.

The previous prime is 1160839. The next prime is 1160867. The reversal of 1160855 is 5580611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5580611 = 1399 ⋅3989.

It is not a de Polignac number, because 1160855 - 2⁴ = 1160839 is a prime.

It is a Duffinian number.

It is a congruent 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, 116081 + ... + 116090.

It is an arithmetic number, because the mean of its divisors is an integer number (348258).

2^1160855 is an apocalyptic number.

1160855 is a deficient number, since it is larger than the sum of its proper divisors (232177).

1160855 is an equidigital number, since it uses as much as digits as its factorization.

1160855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232176.

The product of its (nonzero) digits is 1200, while the sum is 26.

The square root of 1160855 is about 1077.4298120991. The cubic root of 1160855 is about 105.0975661538.

The spelling of 1160855 in words is "one million, one hundred sixty thousand, eight hundred fifty-five".