124250121 has 12 divisors (see below), whose sum is σ = 179616580. Its totient is φ = 82766880.

The previous prime is 124250111. The next prime is 124250129. The reversal of 124250121 is 121052421.

It can be written as a sum of positive squares in 2 ways, for example, as 2368521 + 121881600 = 1539^2 + 11040^2 .

It is not a de Polignac number, because 124250121 - 2²³ = 115861513 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 124250094 and 124250103.

It is not an unprimeable number, because it can be changed into a prime (124250129) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8031 + ... + 17691.

Almost surely, 2^124250121 is an apocalyptic number.

It is an amenable number.

124250121 is a deficient number, since it is larger than the sum of its proper divisors (55366459).

124250121 is a wasteful number, since it uses less digits than its factorization.

124250121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11096 (or 11093 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 124250121 is about 11146.7538323944. The cubic root of 124250121 is about 498.9981552884.

The spelling of 124250121 in words is "one hundred twenty-four million, two hundred fifty thousand, one hundred twenty-one".