1252225052 has 24 divisors (see below), whose sum is σ = 2362045392. Its totient is φ = 577440000.

The previous prime is 1252224997. The next prime is 1252225081. The reversal of 1252225052 is 2505222521.

It is a Harshad number since it is a multiple of its sum of digits (26).

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 7 ways as a sum of consecutive naturals, for example, 52427 + ... + 72477.

It is an arithmetic number, because the mean of its divisors is an integer number (98418558).

Almost surely, 2^1252225052 is an apocalyptic number.

It is an amenable number.

1252225052 is a deficient number, since it is larger than the sum of its proper divisors (1109820340).

1252225052 is a wasteful number, since it uses less digits than its factorization.

1252225052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21269 (or 21267 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 1252225052 is about 35386.7920557939. The cubic root of 1252225052 is about 1077.8561300399.

Adding to 1252225052 its reverse (2505222521), we get a palindrome (3757447573).

The spelling of 1252225052 in words is "one billion, two hundred fifty-two million, two hundred twenty-five thousand, fifty-two".