124250432121 has 6 divisors (see below), whose sum is σ = 179472846410. Its totient is φ = 82833621408.

The previous prime is 124250432051. The next prime is 124250432153. The reversal of 124250432121 is 121234052421.

124250432121 is a `hidden beast` number, since 1 + 2 + 4 + 2 + 504 + 32 + 121 = 666.

It can be written as a sum of positive squares in only one way, i.e., 121758425721 + 2492006400 = 348939^2 + 49920^2 .

It is a de Polignac number, because none of the positive numbers 2^k-124250432121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (124250432161) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6902801776 + ... + 6902801793.

Almost surely, 2^124250432121 is an apocalyptic number.

It is an amenable number.

124250432121 is a deficient number, since it is larger than the sum of its proper divisors (55222414289).

124250432121 is a wasteful number, since it uses less digits than its factorization.

124250432121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13805603575 (or 13805603572 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

Adding to 124250432121 its reverse (121234052421), we get a palindrome (245484484542).

The spelling of 124250432121 in words is "one hundred twenty-four billion, two hundred fifty million, four hundred thirty-two thousand, one hundred twenty-one".