1240140011 has 12 divisors (see below), whose sum is σ = 1366974000. Its totient is φ = 1124220240.

The previous prime is 1240140007. The next prime is 1240140037. The reversal of 1240140011 is 1100410421.

It is not a de Polignac number, because 1240140011 - 2² = 1240140007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1240140001) 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, 29165 + ... + 57713.

It is an arithmetic number, because the mean of its divisors is an integer number (113914500).

Almost surely, 2^1240140011 is an apocalyptic number.

1240140011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1240140011 is a deficient number, since it is larger than the sum of its proper divisors (126833989).

1240140011 is a wasteful number, since it uses less digits than its factorization.

1240140011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28930 (or 28919 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 1240140011 is about 35215.6216898126. The cubic root of 1240140011 is about 1074.3775046843.

Adding to 1240140011 its reverse (1100410421), we get a palindrome (2340550432).

The spelling of 1240140011 in words is "one billion, two hundred forty million, one hundred forty thousand, eleven".