1252235252 has 18 divisors (see below), whose sum is σ = 2252249622. Its totient is φ = 609192864.

The previous prime is 1252235239. The next prime is 1252235279. The reversal of 1252235252 is 2525322521.

It can be written as a sum of positive squares in 3 ways, for example, as 444197776 + 808037476 = 21076^2 + 28426^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 108863 + ... + 119814.

It is an arithmetic number, because the mean of its divisors is an integer number (125124979).

Almost surely, 2^1252235252 is an apocalyptic number.

It is an amenable number.

1252235252 is a deficient number, since it is larger than the sum of its proper divisors (1000014370).

1252235252 is a wasteful number, since it uses less digits than its factorization.

1252235252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228755 (or 228716 counting only the distinct ones).

The product of its digits is 12000, while the sum is 29.

The square root of 1252235252 is about 35386.9361770696. The cubic root of 1252235252 is about 1077.8590565912.

Adding to 1252235252 its reverse (2525322521), we get a palindrome (3777557773).

It can be divided in two parts, 12522 and 35252, that added together give a palindrome (47774).

The spelling of 1252235252 in words is "one billion, two hundred fifty-two million, two hundred thirty-five thousand, two hundred fifty-two".