1240041 has 16 divisors (see below), whose sum is σ = 1840320. Its totient is φ = 736320.

The previous prime is 1240039. The next prime is 1240081. The reversal of 1240041 is 1400421.

It is not a de Polignac number, because 1240041 - 2¹ = 1240039 is a prime.

It is a Curzon number.

1240041 is a lucky number.

It is a plaindrome in base 13.

It is a nialpdrome in base 11.

It is a junction number, because it is equal to n+sod(n) for n = 1239999 and 1240026.

It is not an unprimeable number, because it can be changed into a prime (1240021) 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 15 ways as a sum of consecutive naturals, for example, 1395 + ... + 2103.

It is an arithmetic number, because the mean of its divisors is an integer number (115020).

2^1240041 is an apocalyptic number.

1240041 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1240041 is a deficient number, since it is larger than the sum of its proper divisors (600279).

1240041 is a wasteful number, since it uses less digits than its factorization.

1240041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 776.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 1240041 is about 1113.5712819573. The cubic root of 1240041 is about 107.4348911670.

Adding to 1240041 its reverse (1400421), we get a palindrome (2640462).

It can be divided in two parts, 1 and 240041, that added together give a palindrome (240042).

The spelling of 1240041 in words is "one million, two hundred forty thousand, forty-one".