1440241 has 8 divisors (see below), whose sum is σ = 1579968. Its totient is φ = 1302000.

The previous prime is 1440239. The next prime is 1440247. The reversal of 1440241 is 1420441.

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 1440241 - 2¹ = 1440239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1440247) 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, 3211 + ... + 3631.

It is an arithmetic number, because the mean of its divisors is an integer number (197496).

2^1440241 is an apocalyptic number.

1440241 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1440241 is a deficient number, since it is larger than the sum of its proper divisors (139727).

1440241 is a wasteful number, since it uses less digits than its factorization.

1440241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 743.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 1440241 is about 1200.1004124656. The cubic root of 1440241 is about 112.9306228277.

Adding to 1440241 its reverse (1420441), we get a palindrome (2860682).

It can be divided in two parts, 1440 and 241, that added together give a square (1681 = 41²).

The spelling of 1440241 in words is "one million, four hundred forty thousand, two hundred forty-one".