125102712052 has 24 divisors (see below), whose sum is σ = 222644751560. Its totient is φ = 61491087360.

The previous prime is 125102712047. The next prime is 125102712089. The reversal of 125102712052 is 250217201521.

It can be written as a sum of positive squares in 4 ways, for example, as 18726280336 + 106376431716 = 136844^2 + 326154^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 125102712052.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 289324 + ... + 577852.

Almost surely, 2^125102712052 is an apocalyptic number.

It is an amenable number.

125102712052 is a deficient number, since it is larger than the sum of its proper divisors (97542039508).

125102712052 is a wasteful number, since it uses less digits than its factorization.

125102712052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290371 (or 290369 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 28.

Adding to 125102712052 its reverse (250217201521), we get a palindrome (375319913573).

The spelling of 125102712052 in words is "one hundred twenty-five billion, one hundred two million, seven hundred twelve thousand, fifty-two".