1240052225 has 24 divisors (see below), whose sum is σ = 1605185208. Its totient is φ = 949363200.

The previous prime is 1240052207. The next prime is 1240052227. The reversal of 1240052225 is 5222500421.

It can be written as a sum of positive squares in 12 ways, for example, as 425349376 + 814702849 = 20624^2 + 28543^2 .

It is not a de Polignac number, because 1240052225 - 2¹⁶ = 1239986689 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1240052225.

It is not an unprimeable number, because it can be changed into a prime (1240052227) by changing a digit.

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, 45437 + ... + 67413.

It is an arithmetic number, because the mean of its divisors is an integer number (66882717).

Almost surely, 2^1240052225 is an apocalyptic number.

It is an amenable number.

1240052225 is a deficient number, since it is larger than the sum of its proper divisors (365132983).

1240052225 is a wasteful number, since it uses less digits than its factorization.

1240052225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22085 (or 22080 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 1240052225 is about 35214.3752606801. The cubic root of 1240052225 is about 1074.3521533723.

Adding to 1240052225 its reverse (5222500421), we get a palindrome (6462552646).

The spelling of 1240052225 in words is "one billion, two hundred forty million, fifty-two thousand, two hundred twenty-five".