1244415252 has 12 divisors (see below), whose sum is σ = 2903635616. Its totient is φ = 414805080.

The previous prime is 1244415247. The next prime is 1244415269. The reversal of 1244415252 is 2525144421.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51850624 + ... + 51850647.

Almost surely, 2^1244415252 is an apocalyptic number.

1244415252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1244415252 is an abundant number, since it is smaller than the sum of its proper divisors (1659220364).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1244415252 is a wasteful number, since it uses less digits than its factorization.

1244415252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103701278 (or 103701276 counting only the distinct ones).

The product of its digits is 12800, while the sum is 30.

The square root of 1244415252 is about 35276.2703810933. The cubic root of 1244415252 is about 1075.6106865828.

Adding to 1244415252 its reverse (2525144421), we get a palindrome (3769559673).

The spelling of 1244415252 in words is "one billion, two hundred forty-four million, four hundred fifteen thousand, two hundred fifty-two".