1243402325 has 24 divisors (see below), whose sum is σ = 1683808896. Its totient is φ = 903312000.

The previous prime is 1243402297. The next prime is 1243402331. The reversal of 1243402325 is 5232043421.

It is not a de Polignac number, because 1243402325 - 2²² = 1239208021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1243402294 and 1243402303.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 336689 + ... + 340361.

It is an arithmetic number, because the mean of its divisors is an integer number (70158704).

Almost surely, 2^1243402325 is an apocalyptic number.

It is an amenable number.

1243402325 is a deficient number, since it is larger than the sum of its proper divisors (440406571).

1243402325 is a wasteful number, since it uses less digits than its factorization.

1243402325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4925 (or 4920 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 1243402325 is about 35261.9103991829. The cubic root of 1243402325 is about 1075.3187661134.

Adding to 1243402325 its reverse (5232043421), we get a palindrome (6475445746).

The spelling of 1243402325 in words is "one billion, two hundred forty-three million, four hundred two thousand, three hundred twenty-five".