1240204422503 has 2 divisors, whose sum is σ = 1240204422504. Its totient is φ = 1240204422502.

The previous prime is 1240204422469. The next prime is 1240204422511. The reversal of 1240204422503 is 3052244020421.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1240204422503 - 2¹⁶ = 1240204356967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1240204422703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 620102211251 + 620102211252.

It is an arithmetic number, because the mean of its divisors is an integer number (620102211252).

Almost surely, 2^{1240204422503} is an apocalyptic number.

1240204422503 is a deficient number, since it is larger than the sum of its proper divisors (1).

1240204422503 is an equidigital number, since it uses as much as digits as its factorization.

1240204422503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15360, while the sum is 29.

Adding to 1240204422503 its reverse (3052244020421), we get a palindrome (4292448442924).

The spelling of 1240204422503 in words is "one trillion, two hundred forty billion, two hundred four million, four hundred twenty-two thousand, five hundred three".