125132520452 has 24 divisors (see below), whose sum is σ = 221137082712. Its totient is φ = 61953465600.

The previous prime is 125132520439. The next prime is 125132520463. The reversal of 125132520452 is 254025231521.

It can be written as a sum of positive squares in 4 ways, for example, as 144817156 + 124987703296 = 12034^2 + 353536^2 .

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 7 ways as a sum of consecutive naturals, for example, 202199 + ... + 539582.

It is an arithmetic number, because the mean of its divisors is an integer number (9214045113).

Almost surely, 2^125132520452 is an apocalyptic number.

It is an amenable number.

125132520452 is a deficient number, since it is larger than the sum of its proper divisors (96004562260).

125132520452 is a wasteful number, since it uses less digits than its factorization.

125132520452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 742199 (or 742197 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 32.

Adding to 125132520452 its reverse (254025231521), we get a palindrome (379157751973).

The spelling of 125132520452 in words is "one hundred twenty-five billion, one hundred thirty-two million, five hundred twenty thousand, four hundred fifty-two".