125013660126 has 32 divisors (see below), whose sum is σ = 254056642560. Its totient is φ = 41003268384.

The previous prime is 125013660089. The next prime is 125013660139. The reversal of 125013660126 is 621066310521.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 311190 + ... + 588953.

It is an arithmetic number, because the mean of its divisors is an integer number (7939270080).

Almost surely, 2^125013660126 is an apocalyptic number.

125013660126 is an abundant number, since it is smaller than the sum of its proper divisors (129042982434).

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

125013660126 is a wasteful number, since it uses less digits than its factorization.

125013660126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 900520.

The product of its (nonzero) digits is 12960, while the sum is 33.

Adding to 125013660126 its reverse (621066310521), we get a palindrome (746079970647).

The spelling of 125013660126 in words is "one hundred twenty-five billion, thirteen million, six hundred sixty thousand, one hundred twenty-six".