1252142325 has 108 divisors (see below), whose sum is σ = 2631098340. Its totient is φ = 567544320.

The previous prime is 1252142321. The next prime is 1252142347. The reversal of 1252142325 is 5232412521.

1252142325 is a `hidden beast` number, since 125 + 214 + 2 + 325 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 4498641 + 1247643684 = 2121^2 + 35322^2 .

It is not a de Polignac number, because 1252142325 - 2² = 1252142321 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252142321) by changing a digit.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 1510011 + ... + 1510839.

Almost surely, 2^1252142325 is an apocalyptic number.

1252142325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1252142325 is an abundant number, since it is smaller than the sum of its proper divisors (1378956015).

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

1252142325 is a wasteful number, since it uses less digits than its factorization.

1252142325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 996 (or 981 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 1252142325 is about 35385.6231399138. The cubic root of 1252142325 is about 1077.8323936869.

Adding to 1252142325 its reverse (5232412521), we get a palindrome (6484554846).

The spelling of 1252142325 in words is "one billion, two hundred fifty-two million, one hundred forty-two thousand, three hundred twenty-five".