1234421244425 has 6 divisors (see below), whose sum is σ = 1530682343118. Its totient is φ = 987536995520.

The previous prime is 1234421244391. The next prime is 1234421244457. The reversal of 1234421244425 is 5244421244321.

It can be written as a sum of positive squares in 3 ways, for example, as 13084614544 + 1221336629881 = 114388^2 + 1105141^2 .

It is not a de Polignac number, because 1234421244425 - 2⁸ = 1234421244169 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 24688424864 + ... + 24688424913.

It is an arithmetic number, because the mean of its divisors is an integer number (255113723853).

Almost surely, 2^{1234421244425} is an apocalyptic number.

It is an amenable number.

1234421244425 is a deficient number, since it is larger than the sum of its proper divisors (296261098693).

1234421244425 is an equidigital number, since it uses as much as digits as its factorization.

1234421244425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49376849787 (or 49376849782 counting only the distinct ones).

The product of its digits is 245760, while the sum is 38.

Adding to 1234421244425 its reverse (5244421244321), we get a palindrome (6478842488746).

The spelling of 1234421244425 in words is "one trillion, two hundred thirty-four billion, four hundred twenty-one million, two hundred forty-four thousand, four hundred twenty-five".