1234442135025 has 96 divisors (see below), whose sum is σ = 2581431920640. Its totient is φ = 572494824000.

The previous prime is 1234442134993. The next prime is 1234442135099. The reversal of 1234442135025 is 5205312444321.

It is a happy number.

1234442135025 is a `hidden beast` number, since 123 + 4 + 4 + 4 + 21 + 3 + 502 + 5 = 666.

It is not a de Polignac number, because 1234442135025 - 2⁵ = 1234442134993 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3443461 + ... + 3785010.

It is an arithmetic number, because the mean of its divisors is an integer number (26889915840).

Almost surely, 2^{1234442135025} is an apocalyptic number.

1234442135025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1234442135025 is an abundant number, since it is smaller than the sum of its proper divisors (1346989785615).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1234442135025 is a wasteful number, since it uses less digits than its factorization.

1234442135025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7228524 (or 7228513 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

Adding to 1234442135025 its reverse (5205312444321), we get a palindrome (6439754579346).

The spelling of 1234442135025 in words is "one trillion, two hundred thirty-four billion, four hundred forty-two million, one hundred thirty-five thousand, twenty-five".