1323161 has 8 divisors (see below), whose sum is σ = 1601280. Its totient is φ = 1067328.

The previous prime is 1323149. The next prime is 1323169. The reversal of 1323161 is 1613231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1323161 - 2¹⁰ = 1322137 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1323169) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5441 + ... + 5678.

It is an arithmetic number, because the mean of its divisors is an integer number (200160).

2^1323161 is an apocalyptic number.

It is an amenable number.

1323161 is a deficient number, since it is larger than the sum of its proper divisors (278119).

1323161 is a wasteful number, since it uses less digits than its factorization.

1323161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11143.

The product of its digits is 108, while the sum is 17.

The square root of 1323161 is about 1150.2873554030. The cubic root of 1323161 is about 109.7836242434.

Adding to 1323161 its reverse (1613231), we get a palindrome (2936392).

The spelling of 1323161 in words is "one million, three hundred twenty-three thousand, one hundred sixty-one".