1240341111 has 12 divisors (see below), whose sum is σ = 1808349192. Its totient is φ = 819165456.

The previous prime is 1240341101. The next prime is 1240341133. The reversal of 1240341111 is 1111430421.

1240341111 is a `hidden beast` number, since 1 + 240 + 3 + 411 + 11 = 666.

It is not a de Polignac number, because 1240341111 - 2¹¹ = 1240339063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1240341101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 643036 + ... + 644961.

It is an arithmetic number, because the mean of its divisors is an integer number (150695766).

Almost surely, 2^1240341111 is an apocalyptic number.

1240341111 is a deficient number, since it is larger than the sum of its proper divisors (568008081).

1240341111 is a wasteful number, since it uses less digits than its factorization.

1240341111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1288110 (or 1288107 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 1240341111 is about 35218.4768409992. The cubic root of 1240341111 is about 1074.4355749121.

Adding to 1240341111 its reverse (1111430421), we get a palindrome (2351771532).

The spelling of 1240341111 in words is "one billion, two hundred forty million, three hundred forty-one thousand, one hundred eleven".