1161382 has 4 divisors (see below), whose sum is σ = 1742076. Its totient is φ = 580690.

The previous prime is 1161371. The next prime is 1161397. The reversal of 1161382 is 2831611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2831611 = 1499 ⋅1889.

It is a plaindrome in base 14.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 290344 + ... + 290347.

It is an arithmetic number, because the mean of its divisors is an integer number (435519).

2^1161382 is an apocalyptic number.

1161382 is a deficient number, since it is larger than the sum of its proper divisors (580694).

1161382 is an equidigital number, since it uses as much as digits as its factorization.

1161382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 580693.

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

The square root of 1161382 is about 1077.6743478435. The cubic root of 1161382 is about 105.1134676627.

Adding to 1161382 its reverse (2831611), we get a palindrome (3992993).

The spelling of 1161382 in words is "one million, one hundred sixty-one thousand, three hundred eighty-two".