1240314403 has 16 divisors (see below), whose sum is σ = 1293890400. Its totient is φ = 1187988480.

The previous prime is 1240314389. The next prime is 1240314409. The reversal of 1240314403 is 3044130421.

It is a cyclic number.

It is not a de Polignac number, because 1240314403 - 2⁹ = 1240313891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1240314409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1334643 + ... + 1335571.

It is an arithmetic number, because the mean of its divisors is an integer number (80868150).

Almost surely, 2^1240314403 is an apocalyptic number.

1240314403 is a deficient number, since it is larger than the sum of its proper divisors (53575997).

1240314403 is an equidigital number, since it uses as much as digits as its factorization.

1240314403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1542.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 1240314403 is about 35218.0976629914. The cubic root of 1240314403 is about 1074.4278629929.

Adding to 1240314403 its reverse (3044130421), we get a palindrome (4284444824).

The spelling of 1240314403 in words is "one billion, two hundred forty million, three hundred fourteen thousand, four hundred three".