1240535341 has 4 divisors (see below), whose sum is σ = 1256238400. Its totient is φ = 1224832284.

The previous prime is 1240535293. The next prime is 1240535353. The reversal of 1240535341 is 1435350421.

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: 1435350421 = 19 ⋅75544759.

It is a cyclic number.

It is not a de Polignac number, because 1240535341 - 2²³ = 1232146733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1240535381) 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, 7851411 + ... + 7851568.

It is an arithmetic number, because the mean of its divisors is an integer number (314059600).

Almost surely, 2^1240535341 is an apocalyptic number.

It is an amenable number.

1240535341 is a deficient number, since it is larger than the sum of its proper divisors (15703059).

1240535341 is an equidigital number, since it uses as much as digits as its factorization.

1240535341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15703058.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 1240535341 is about 35221.2342344785. The cubic root of 1240535341 is about 1074.4916553800.

Adding to 1240535341 its reverse (1435350421), we get a palindrome (2675885762).

The spelling of 1240535341 in words is "one billion, two hundred forty million, five hundred thirty-five thousand, three hundred forty-one".