1158283 has 4 divisors (see below), whose sum is σ = 1323760. Its totient is φ = 992808.

The previous prime is 1158271. The next prime is 1158293. The reversal of 1158283 is 3828511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3828511 = 23 ⋅166457.

It is a cyclic number.

It is not a de Polignac number, because 1158283 - 2⁵ = 1158251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1158203) 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, 82728 + ... + 82741.

It is an arithmetic number, because the mean of its divisors is an integer number (330940).

2^1158283 is an apocalyptic number.

1158283 is a deficient number, since it is larger than the sum of its proper divisors (165477).

1158283 is an equidigital number, since it uses as much as digits as its factorization.

1158283 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165476.

The product of its digits is 1920, while the sum is 28.

The square root of 1158283 is about 1076.2355690089. The cubic root of 1158283 is about 105.0198904118.

It can be divided in two parts, 1158 and 283, that added together give a palindrome (1441).

The spelling of 1158283 in words is "one million, one hundred fifty-eight thousand, two hundred eighty-three".