1242241325 has 12 divisors (see below), whose sum is σ = 1658870388. Its totient is φ = 917347200.

The previous prime is 1242241309. The next prime is 1242241379. The reversal of 1242241325 is 5231422421.

It can be written as a sum of positive squares in 6 ways, for example, as 2778889 + 1239462436 = 1667^2 + 35206^2 .

It is not a de Polignac number, because 1242241325 - 2⁴ = 1242241309 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1242241294 and 1242241303.

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 11 ways as a sum of consecutive naturals, for example, 1910816 + ... + 1911465.

It is an arithmetic number, because the mean of its divisors is an integer number (138239199).

Almost surely, 2^1242241325 is an apocalyptic number.

It is an amenable number.

1242241325 is a deficient number, since it is larger than the sum of its proper divisors (416629063).

1242241325 is a wasteful number, since it uses less digits than its factorization.

1242241325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3822304 (or 3822299 counting only the distinct ones).

The product of its digits is 3840, while the sum is 26.

The square root of 1242241325 is about 35245.4440318178. Note that the first 3 decimals coincide. The cubic root of 1242241325 is about 1074.9839766856.

Adding to 1242241325 its reverse (5231422421), we get a palindrome (6473663746).

The spelling of 1242241325 in words is "one billion, two hundred forty-two million, two hundred forty-one thousand, three hundred twenty-five".