1440041 has 4 divisors (see below), whose sum is σ = 1448832. Its totient is φ = 1431252.

The previous prime is 1440037. The next prime is 1440079. The reversal of 1440041 is 1400441.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1400441 = 7 ⋅200063.

It is a cyclic number.

It is not a de Polignac number, because 1440041 - 2² = 1440037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1439998 and 1440025.

It is not an unprimeable number, because it can be changed into a prime (1440011) 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, 4145 + ... + 4478.

It is an arithmetic number, because the mean of its divisors is an integer number (362208).

2^1440041 is an apocalyptic number.

It is an amenable number.

1440041 is a deficient number, since it is larger than the sum of its proper divisors (8791).

1440041 is an equidigital number, since it uses as much as digits as its factorization.

1440041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8790.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 1440041 is about 1200.0170832117. The cubic root of 1440041 is about 112.9253951910.

Adding to 1440041 its reverse (1400441), we get a palindrome (2840482).

It can be divided in two parts, 14400 and 41, that added together give a palindrome (14441).

The spelling of 1440041 in words is "one million, four hundred forty thousand, forty-one".