125015028 has 24 divisors (see below), whose sum is σ = 304385088. Its totient is φ = 39859776.

The previous prime is 125015021. The next prime is 125015057. The reversal of 125015028 is 820510521.

It is a junction number, because it is equal to n+sod(n) for n = 125014989 and 125015007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125015021) by changing a digit.

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, 226201 + ... + 226752.

It is an arithmetic number, because the mean of its divisors is an integer number (12682712).

Almost surely, 2^125015028 is an apocalyptic number.

It is an amenable number.

125015028 is an abundant number, since it is smaller than the sum of its proper divisors (179370060).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125015028 is a wasteful number, since it uses less digits than its factorization.

125015028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452983 (or 452981 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 24.

The square root of 125015028 is about 11181.0119398917. The cubic root of 125015028 is about 500.0200365304.

Adding to 125015028 its reverse (820510521), we get a palindrome (945525549).

The spelling of 125015028 in words is "one hundred twenty-five million, fifteen thousand, twenty-eight".