1252116244 has 12 divisors (see below), whose sum is σ = 2191600404. Its totient is φ = 625944704.

The previous prime is 1252116193. The next prime is 1252116253. The reversal of 1252116244 is 4426112521.

It can be written as a sum of positive squares in 2 ways, for example, as 885776644 + 366339600 = 29762^2 + 19140^2 .

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 3 ways as a sum of consecutive naturals, for example, 469 + ... + 50044.

It is an arithmetic number, because the mean of its divisors is an integer number (182633367).

Almost surely, 2^1252116244 is an apocalyptic number.

It is an amenable number.

1252116244 is a deficient number, since it is larger than the sum of its proper divisors (939484160).

1252116244 is a wasteful number, since it uses less digits than its factorization.

1252116244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56714 (or 56712 counting only the distinct ones).

The product of its digits is 3840, while the sum is 28.

The square root of 1252116244 is about 35385.2546126208. The cubic root of 1252116244 is about 1077.8249102080.

Adding to 1252116244 its reverse (4426112521), we get a palindrome (5678228765).

The spelling of 1252116244 in words is "one billion, two hundred fifty-two million, one hundred sixteen thousand, two hundred forty-four".