1042205340425 has 12 divisors (see below), whose sum is σ = 1292347438860. Its totient is φ = 833756003520.

The previous prime is 1042205340419. The next prime is 1042205340437. The reversal of 1042205340425 is 5240435022401.

It can be written as a sum of positive squares in 6 ways, for example, as 378260670841 + 663944669584 = 615029^2 + 814828^2 .

It is not a de Polignac number, because 1042205340425 - 2¹⁰ = 1042205339401 is a prime.

It is a super-2 number, since 2×1042205340425² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1042205340391 and 1042205340400.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4240199 + ... + 4479251.

It is an arithmetic number, because the mean of its divisors is an integer number (107695619905).

Almost surely, 2^{1042205340425} is an apocalyptic number.

It is an amenable number.

1042205340425 is a deficient number, since it is larger than the sum of its proper divisors (250142098435).

1042205340425 is a wasteful number, since it uses less digits than its factorization.

1042205340425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413452 (or 413447 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 32.

The spelling of 1042205340425 in words is "one trillion, forty-two billion, two hundred five million, three hundred forty thousand, four hundred twenty-five".