125086840 has 32 divisors (see below), whose sum is σ = 282204000. Its totient is φ = 49899904.

The previous prime is 125086817. The next prime is 125086853. The reversal of 125086840 is 48680521.

It is a junction number, because it is equal to n+sod(n) for n = 125086796 and 125086805.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11541 + ... + 19579.

It is an arithmetic number, because the mean of its divisors is an integer number (8818875).

Almost surely, 2^125086840 is an apocalyptic number.

125086840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125086840 is an abundant number, since it is smaller than the sum of its proper divisors (157117160).

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

125086840 is a wasteful number, since it uses less digits than its factorization.

125086840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8439 (or 8435 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 34.

The square root of 125086840 is about 11184.2228160923. Note that the first 3 decimals coincide. The cubic root of 125086840 is about 500.1157598639.

The spelling of 125086840 in words is "one hundred twenty-five million, eighty-six thousand, eight hundred forty".