125406648 has 48 divisors (see below), whose sum is σ = 340178280. Its totient is φ = 41736384.

The previous prime is 125406641. The next prime is 125406679. The reversal of 125406648 is 846604521.

125406648 is a `hidden beast` number, since 1 + 2 + 5 + 4 + 0 + 6 + 648 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125406641) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 70911 + ... + 72657.

Almost surely, 2^125406648 is an apocalyptic number.

125406648 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

125406648 is an abundant number, since it is smaller than the sum of its proper divisors (214771632).

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

125406648 is a wasteful number, since it uses less digits than its factorization.

125406648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2756 (or 2749 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 125406648 is about 11198.5109724463. The cubic root of 125406648 is about 500.5416104378.

The spelling of 125406648 in words is "one hundred twenty-five million, four hundred six thousand, six hundred forty-eight".