124125607685 has 8 divisors (see below), whose sum is σ = 149100134136. Its totient is φ = 99200882880.

The previous prime is 124125607663. The next prime is 124125607703. The reversal of 124125607685 is 586706521421.

It can be written as a sum of positive squares in 4 ways, for example, as 35596746241 + 88528861444 = 188671^2 + 297538^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 124125607685 - 2²⁰ = 124124559109 is a prime.

It is a Duffinian number.

It is a Curzon number.

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, 12444926 + ... + 12454895.

It is an arithmetic number, because the mean of its divisors is an integer number (18637516767).

Almost surely, 2^124125607685 is an apocalyptic number.

It is an amenable number.

124125607685 is a deficient number, since it is larger than the sum of its proper divisors (24974526451).

124125607685 is an equidigital number, since it uses as much as digits as its factorization.

124125607685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24900823.

The product of its (nonzero) digits is 806400, while the sum is 47.

The spelling of 124125607685 in words is "one hundred twenty-four billion, one hundred twenty-five million, six hundred seven thousand, six hundred eighty-five".