125219007688 has 16 divisors (see below), whose sum is σ = 234853528860. Its totient is φ = 62591400000.

The previous prime is 125219007679. The next prime is 125219007703. The reversal of 125219007688 is 886700912521.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 122204778084 + 3014229604 = 349578^2 + 54902^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2233563 + ... + 2288938.

Almost surely, 2^125219007688 is an apocalyptic number.

It is an amenable number.

125219007688 is a deficient number, since it is larger than the sum of its proper divisors (109634521172).

125219007688 is a wasteful number, since it uses less digits than its factorization.

125219007688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4525968 (or 4525964 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 49.

It can be divided in two parts, 12521 and 9007688, that added together give a palindrome (9020209).

The spelling of 125219007688 in words is "one hundred twenty-five billion, two hundred nineteen million, seven thousand, six hundred eighty-eight".