125478828 has 24 divisors (see below), whose sum is σ = 325315760. Its totient is φ = 41826240.

The previous prime is 125478827. The next prime is 125478833. The reversal of 125478828 is 828874521.

It is a happy number.

125478828 is a `hidden beast` number, since 1 + 2 + 547 + 88 + 28 = 666.

It is not an unprimeable number, because it can be changed into a prime (125478827) 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, 580813 + ... + 581028.

Almost surely, 2^125478828 is an apocalyptic number.

125478828 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

125478828 is an abundant number, since it is smaller than the sum of its proper divisors (199836932).

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

125478828 is a wasteful number, since it uses less digits than its factorization.

125478828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1161854 (or 1161846 counting only the distinct ones).

The product of its digits is 286720, while the sum is 45.

The square root of 125478828 is about 11201.7332587417. The cubic root of 125478828 is about 500.6376238593.

The spelling of 125478828 in words is "one hundred twenty-five million, four hundred seventy-eight thousand, eight hundred twenty-eight".