1252240244 has 12 divisors (see below), whose sum is σ = 2286699744. Its totient is φ = 598897464.

The previous prime is 1252240243. The next prime is 1252240289. The reversal of 1252240244 is 4420422521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252240243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6805562 + ... + 6805745.

It is an arithmetic number, because the mean of its divisors is an integer number (190558312).

Almost surely, 2^1252240244 is an apocalyptic number.

It is an amenable number.

1252240244 is a deficient number, since it is larger than the sum of its proper divisors (1034459500).

1252240244 is a wasteful number, since it uses less digits than its factorization.

1252240244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13611334 (or 13611332 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 26.

The square root of 1252240244 is about 35387.0067115036. The cubic root of 1252240244 is about 1077.8604888741.

Adding to 1252240244 its reverse (4420422521), we get a palindrome (5672662765).

The spelling of 1252240244 in words is "one billion, two hundred fifty-two million, two hundred forty thousand, two hundred forty-four".