125209518746 has 16 divisors (see below), whose sum is σ = 202976247264. Its totient is φ = 57584803824.

The previous prime is 125209518727. The next prime is 125209518769. The reversal of 125209518746 is 647815902521.

It is a junction number, because it is equal to n+sod(n) for n = 125209518694 and 125209518703.

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, 8501036 + ... + 8515751.

It is an arithmetic number, because the mean of its divisors is an integer number (12686015454).

Almost surely, 2^125209518746 is an apocalyptic number.

125209518746 is a deficient number, since it is larger than the sum of its proper divisors (77766728518).

125209518746 is a wasteful number, since it uses less digits than its factorization.

125209518746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17017085.

The product of its (nonzero) digits is 1209600, while the sum is 50.

The spelling of 125209518746 in words is "one hundred twenty-five billion, two hundred nine million, five hundred eighteen thousand, seven hundred forty-six".