1320411 has 8 divisors (see below), whose sum is σ = 1769040. Its totient is φ = 876032.

The previous prime is 1320409. The next prime is 1320413. The reversal of 1320411 is 1140231.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1320409) and next prime (1320413).

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

It is a cyclic number.

It is not a de Polignac number, because 1320411 - 2¹ = 1320409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1320413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 246 + ... + 1643.

It is an arithmetic number, because the mean of its divisors is an integer number (221130).

2^1320411 is an apocalyptic number.

1320411 is a deficient number, since it is larger than the sum of its proper divisors (448629).

1320411 is a wasteful number, since it uses less digits than its factorization.

1320411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2125.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1320411 is about 1149.0913801783. The cubic root of 1320411 is about 109.7075149960.

Adding to 1320411 its reverse (1140231), we get a palindrome (2460642).

The spelling of 1320411 in words is "one million, three hundred twenty thousand, four hundred eleven".