1382161 has 4 divisors (see below), whose sum is σ = 1507824. Its totient is φ = 1256500.

The previous prime is 1382159. The next prime is 1382167. The reversal of 1382161 is 1612831.

1382161 is an esthetic number in base 5, because in such base its adjacent digits differ by 1.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1382161 - 2¹ = 1382159 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 (1382167) 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, 62815 + ... + 62836.

It is an arithmetic number, because the mean of its divisors is an integer number (376956).

2^1382161 is an apocalyptic number.

1382161 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1382161 is a deficient number, since it is larger than the sum of its proper divisors (125663).

1382161 is a wasteful number, since it uses less digits than its factorization.

1382161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125662.

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

The square root of 1382161 is about 1175.6534353286. The cubic root of 1382161 is about 111.3917118466.

Adding to 1382161 its reverse (1612831), we get a palindrome (2994992).

The spelling of 1382161 in words is "one million, three hundred eighty-two thousand, one hundred sixty-one".