1140241 has 4 divisors (see below), whose sum is σ = 1207332. Its totient is φ = 1073152.

The previous prime is 1140239. The next prime is 1140253. The reversal of 1140241 is 1420411.

1140241 is nontrivially palindromic in base 16.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1420411 = 23 ⋅61757.

It can be written as a sum of positive squares in 2 ways, for example, as 992016 + 148225 = 996^2 + 385^2 .

It is a cyclic number.

It is not a de Polignac number, because 1140241 - 2¹ = 1140239 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a zygodrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (1140281) 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, 33520 + ... + 33553.

It is an arithmetic number, because the mean of its divisors is an integer number (301833).

2^1140241 is an apocalyptic number.

It is an amenable number.

1140241 is a deficient number, since it is larger than the sum of its proper divisors (67091).

1140241 is an equidigital number, since it uses as much as digits as its factorization.

1140241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67090.

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

The square root of 1140241 is about 1067.8206778294. The cubic root of 1140241 is about 104.4717535433.

Adding to 1140241 its reverse (1420411), we get a palindrome (2560652).

The spelling of 1140241 in words is "one million, one hundred forty thousand, two hundred forty-one".