1325243354242 has 16 divisors (see below), whose sum is σ = 2177377520760. Its totient is φ = 602138967808.

The previous prime is 1325243354221. The next prime is 1325243354243. The reversal of 1325243354242 is 2424533425231.

It can be written as a sum of positive squares in 4 ways, for example, as 1271998253241 + 53245101001 = 1127829^2 + 230749^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1325243354195 and 1325243354204.

It is not an unprimeable number, because it can be changed into a prime (1325243354243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 672029113 + ... + 672031084.

Almost surely, 2^{1325243354242} is an apocalyptic number.

1325243354242 is a deficient number, since it is larger than the sum of its proper divisors (852134166518).

1325243354242 is a wasteful number, since it uses less digits than its factorization.

1325243354242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1344060245.

The product of its digits is 691200, while the sum is 40.

Adding to 1325243354242 its reverse (2424533425231), we get a palindrome (3749776779473).

The spelling of 1325243354242 in words is "one trillion, three hundred twenty-five billion, two hundred forty-three million, three hundred fifty-four thousand, two hundred forty-two".