1161283 has 4 divisors (see below), whose sum is σ = 1183248. Its totient is φ = 1139320.

The previous prime is 1161269. The next prime is 1161289. The reversal of 1161283 is 3821611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3821611 = 23 ⋅166157.

It is a cyclic number.

It is not a de Polignac number, because 1161283 - 2⁹ = 1160771 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1161289) 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, 10903 + ... + 11008.

It is an arithmetic number, because the mean of its divisors is an integer number (295812).

2^1161283 is an apocalyptic number.

1161283 is a deficient number, since it is larger than the sum of its proper divisors (21965).

1161283 is an equidigital number, since it uses as much as digits as its factorization.

1161283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21964.

The product of its digits is 288, while the sum is 22.

The square root of 1161283 is about 1077.6284146217. The cubic root of 1161283 is about 105.1104808392.

Adding to 1161283 its reverse (3821611), we get a palindrome (4982894).

It can be divided in two parts, 1161 and 283, that added together give a square (1444 = 38²).

The spelling of 1161283 in words is "one million, one hundred sixty-one thousand, two hundred eighty-three".