1140240241 has 12 divisors (see below), whose sum is σ = 1372141620. Its totient is φ = 943645920.

The previous prime is 1140240229. The next prime is 1140240247. The reversal of 1140240241 is 1420420411.

It can be written as a sum of positive squares in 2 ways, for example, as 874680625 + 265559616 = 29575^2 + 16296^2 .

It is not a de Polignac number, because 1140240241 - 2¹¹ = 1140238193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1140240247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 399790 + ... + 402631.

It is an arithmetic number, because the mean of its divisors is an integer number (114345135).

Almost surely, 2^1140240241 is an apocalyptic number.

It is an amenable number.

1140240241 is a deficient number, since it is larger than the sum of its proper divisors (231901379).

1140240241 is an equidigital number, since it uses as much as digits as its factorization.

1140240241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 802464 (or 802457 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 1140240241 is about 33767.4435070232. The cubic root of 1140240241 is about 1044.7173036277.

Adding to 1140240241 its reverse (1420420411), we get a palindrome (2560660652).

The spelling of 1140240241 in words is "one billion, one hundred forty million, two hundred forty thousand, two hundred forty-one".