125500124 has 6 divisors (see below), whose sum is σ = 219625224. Its totient is φ = 62750060.

The previous prime is 125500099. The next prime is 125500127. The reversal of 125500124 is 421005521.

It is a super-2 number, since 2×125500124² = 31500562248030752, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 125500096 and 125500105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125500127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15687512 + ... + 15687519.

It is an arithmetic number, because the mean of its divisors is an integer number (36604204).

Almost surely, 2^125500124 is an apocalyptic number.

It is an amenable number.

125500124 is a deficient number, since it is larger than the sum of its proper divisors (94125100).

125500124 is a wasteful number, since it uses less digits than its factorization.

125500124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31375035 (or 31375033 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 125500124 is about 11202.6837855935. The cubic root of 125500124 is about 500.6659446417.

Adding to 125500124 its reverse (421005521), we get a palindrome (546505645).

The spelling of 125500124 in words is "one hundred twenty-five million, five hundred thousand, one hundred twenty-four".