125418125 has 40 divisors (see below), whose sum is σ = 181441920. Its totient is φ = 84888000.

The previous prime is 125418119. The next prime is 125418131. The reversal of 125418125 is 521814521.

It is an interprime number because it is at equal distance from previous prime (125418119) and next prime (125418131).

It is not a de Polignac number, because 125418125 - 2¹⁶ = 125352589 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a congruent number.

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 39 ways as a sum of consecutive naturals, for example, 476744 + ... + 477006.

It is an arithmetic number, because the mean of its divisors is an integer number (4536048).

Almost surely, 2^125418125 is an apocalyptic number.

It is an amenable number.

125418125 is a deficient number, since it is larger than the sum of its proper divisors (56023795).

125418125 is an equidigital number, since it uses as much as digits as its factorization.

125418125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399 (or 384 counting only the distinct ones).

The product of its digits is 3200, while the sum is 29.

The square root of 125418125 is about 11199.0233949215. The cubic root of 125418125 is about 500.5568795401.

The spelling of 125418125 in words is "one hundred twenty-five million, four hundred eighteen thousand, one hundred twenty-five".