125137500125 has 32 divisors (see below), whose sum is σ = 177776411904. Its totient is φ = 87052152000.

The previous prime is 125137500121. The next prime is 125137500133. The reversal of 125137500125 is 521005731521.

It is not a de Polignac number, because 125137500125 - 2² = 125137500121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 125137500091 and 125137500100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125137500121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1946834 + ... + 2010083.

It is an arithmetic number, because the mean of its divisors is an integer number (5555512872).

Almost surely, 2^125137500125 is an apocalyptic number.

It is an amenable number.

125137500125 is a deficient number, since it is larger than the sum of its proper divisors (52638911779).

125137500125 is a wasteful number, since it uses less digits than its factorization.

125137500125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3956966 (or 3956956 counting only the distinct ones).

The product of its (nonzero) digits is 10500, while the sum is 32.

The spelling of 125137500125 in words is "one hundred twenty-five billion, one hundred thirty-seven million, five hundred thousand, one hundred twenty-five".