1160865 has 16 divisors (see below), whose sum is σ = 2064000. Its totient is φ = 619056.

The previous prime is 1160839. The next prime is 1160867. The reversal of 1160865 is 5680611.

It is not a de Polignac number, because 1160865 - 2¹² = 1156769 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1160867) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4165 + ... + 4434.

It is an arithmetic number, because the mean of its divisors is an integer number (129000).

2^1160865 is an apocalyptic number.

1160865 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1160865 is a deficient number, since it is larger than the sum of its proper divisors (903135).

1160865 is an equidigital number, since it uses as much as digits as its factorization.

1160865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8613 (or 8607 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 1160865 is about 1077.4344527627. The cubic root of 1160865 is about 105.0978679350.

It can be divided in two parts, 1160 and 865, that added together give a square (2025 = 45²).

The spelling of 1160865 in words is "one million, one hundred sixty thousand, eight hundred sixty-five".