1240411 has 4 divisors (see below), whose sum is σ = 1247032. Its totient is φ = 1233792.

The previous prime is 1240399. The next prime is 1240423. The reversal of 1240411 is 1140421.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1240399) and next prime (1240423).

It is a cyclic number.

It is not a de Polignac number, because 1240411 - 2⁹ = 1239899 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1240391 and 1240400.

It is not an unprimeable number, because it can be changed into a prime (1240511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3021 + ... + 3406.

It is an arithmetic number, because the mean of its divisors is an integer number (311758).

2^1240411 is an apocalyptic number.

1240411 is a deficient number, since it is larger than the sum of its proper divisors (6621).

1240411 is an equidigital number, since it uses as much as digits as its factorization.

1240411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6620.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 1240411 is about 1113.7374017245. The cubic root of 1240411 is about 107.4455754796.

Adding to 1240411 its reverse (1140421), we get a palindrome (2380832).

The spelling of 1240411 in words is "one million, two hundred forty thousand, four hundred eleven".