1240434113 has 8 divisors (see below), whose sum is σ = 1279229760. Its totient is φ = 1202230960.

The previous prime is 1240434079. The next prime is 1240434127. The reversal of 1240434113 is 3114340421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1240434113 - 2¹⁸ = 1240171969 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1240439113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143870 + ... + 152247.

It is an arithmetic number, because the mean of its divisors is an integer number (159903720).

Almost surely, 2^1240434113 is an apocalyptic number.

It is an amenable number.

1240434113 is a deficient number, since it is larger than the sum of its proper divisors (38795647).

1240434113 is an equidigital number, since it uses as much as digits as its factorization.

1240434113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296247.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 1240434113 is about 35219.7971743166. The cubic root of 1240434113 is about 1074.4624283207.

Adding to 1240434113 its reverse (3114340421), we get a palindrome (4354774534).

The spelling of 1240434113 in words is "one billion, two hundred forty million, four hundred thirty-four thousand, one hundred thirteen".