1042734220525 has 24 divisors (see below), whose sum is σ = 1306951913960. Its totient is φ = 825188290560.

The previous prime is 1042734220459. The next prime is 1042734220553. The reversal of 1042734220525 is 5250224372401.

It can be written as a sum of positive squares in 12 ways, for example, as 118778797449 + 923955423076 = 344643^2 + 961226^2 .

It is not a de Polignac number, because 1042734220525 - 2⁷ = 1042734220397 is a prime.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 4962907 + ... + 5168743.

Almost surely, 2^{1042734220525} is an apocalyptic number.

It is an amenable number.

1042734220525 is a deficient number, since it is larger than the sum of its proper divisors (264217693435).

1042734220525 is a wasteful number, since it uses less digits than its factorization.

1042734220525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208033 (or 208028 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 37.

Adding to 1042734220525 its reverse (5250224372401), we get a palindrome (6292958592926).

The spelling of 1042734220525 in words is "one trillion, forty-two billion, seven hundred thirty-four million, two hundred twenty thousand, five hundred twenty-five".