124131125 has 8 divisors (see below), whose sum is σ = 154915800. Its totient is φ = 99304800.

The previous prime is 124131097. The next prime is 124131131. The reversal of 124131125 is 521131421.

It can be written as a sum of positive squares in 4 ways, for example, as 29691601 + 94439524 = 5449^2 + 9718^2 .

It is not a de Polignac number, because 124131125 - 2⁸ = 124130869 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 124131097 and 124131106.

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, 496400 + ... + 496649.

It is an arithmetic number, because the mean of its divisors is an integer number (19364475).

Almost surely, 2^124131125 is an apocalyptic number.

It is an amenable number.

124131125 is a deficient number, since it is larger than the sum of its proper divisors (30784675).

124131125 is an frugal number, since it uses more digits than its factorization.

124131125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 993064 (or 993054 counting only the distinct ones).

The product of its digits is 240, while the sum is 20.

The square root of 124131125 is about 11141.4148562918. The cubic root of 124131125 is about 498.8388053416.

Adding to 124131125 its reverse (521131421), we get a palindrome (645262546).

The spelling of 124131125 in words is "one hundred twenty-four million, one hundred thirty-one thousand, one hundred twenty-five".