124125125 has 8 divisors (see below), whose sum is σ = 154908312. Its totient is φ = 99300000.

The previous prime is 124125103. The next prime is 124125137. The reversal of 124125125 is 521521421.

It can be written as a sum of positive squares in 4 ways, for example, as 12061729 + 112063396 = 3473^2 + 10586^2 .

It is not a de Polignac number, because 124125125 - 2²² = 119930821 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 124125125.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 496376 + ... + 496625.

It is an arithmetic number, because the mean of its divisors is an integer number (19363539).

Almost surely, 2^124125125 is an apocalyptic number.

It is an amenable number.

124125125 is a deficient number, since it is larger than the sum of its proper divisors (30783187).

124125125 is an frugal number, since it uses more digits than its factorization.

124125125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 993016 (or 993006 counting only the distinct ones).

The product of its digits is 800, while the sum is 23.

The square root of 124125125 is about 11141.1455874160. The cubic root of 124125125 is about 498.8307679240.

Adding to 124125125 its reverse (521521421), we get a palindrome (645646546).

The spelling of 124125125 in words is "one hundred twenty-four million, one hundred twenty-five thousand, one hundred twenty-five".