125246840 has 32 divisors (see below), whose sum is σ = 285780960. Its totient is φ = 49392000.

The previous prime is 125246839. The next prime is 125246881. The reversal of 125246840 is 48642521.

It is a junction number, because it is equal to n+sod(n) for n = 125246797 and 125246806.

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 7 ways as a sum of consecutive naturals, for example, 19211 + ... + 24890.

It is an arithmetic number, because the mean of its divisors is an integer number (8930655).

Almost surely, 2^125246840 is an apocalyptic number.

125246840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125246840 is an abundant number, since it is smaller than the sum of its proper divisors (160534120).

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

125246840 is a wasteful number, since it uses less digits than its factorization.

125246840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44183 (or 44179 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 32.

The square root of 125246840 is about 11191.3734635209. The cubic root of 125246840 is about 500.3289035974.

The spelling of 125246840 in words is "one hundred twenty-five million, two hundred forty-six thousand, eight hundred forty".