1264430240103 has 16 divisors (see below), whose sum is σ = 1725177170816. Its totient is φ = 823319834400.

The previous prime is 1264430240023. The next prime is 1264430240141. The reversal of 1264430240103 is 3010420344621.

It is not a de Polignac number, because 1264430240103 - 2²⁰ = 1264429191527 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1264430245103) 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, 3686601 + ... + 4014957.

It is an arithmetic number, because the mean of its divisors is an integer number (107823573176).

Almost surely, 2^{1264430240103} is an apocalyptic number.

1264430240103 is a deficient number, since it is larger than the sum of its proper divisors (460746930713).

1264430240103 is a wasteful number, since it uses less digits than its factorization.

1264430240103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358254.

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 1264430240103 its reverse (3010420344621), we get a palindrome (4274850584724).

The spelling of 1264430240103 in words is "one trillion, two hundred sixty-four billion, four hundred thirty million, two hundred forty thousand, one hundred three".