125281852132 has 6 divisors (see below), whose sum is σ = 219243241238. Its totient is φ = 62640926064.

The previous prime is 125281852123. The next prime is 125281852133. The reversal of 125281852132 is 231258182521.

It can be written as a sum of positive squares in only one way, i.e., 118221819556 + 7060032576 = 343834^2 + 84024^2 .

It is not an unprimeable number, because it can be changed into a prime (125281852133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15660231513 + ... + 15660231520.

Almost surely, 2^125281852132 is an apocalyptic number.

It is an amenable number.

125281852132 is a deficient number, since it is larger than the sum of its proper divisors (93961389106).

125281852132 is a wasteful number, since it uses less digits than its factorization.

125281852132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31320463037 (or 31320463035 counting only the distinct ones).

The product of its digits is 76800, while the sum is 40.

The spelling of 125281852132 in words is "one hundred twenty-five billion, two hundred eighty-one million, eight hundred fifty-two thousand, one hundred thirty-two".