124042052225 has 24 divisors (see below), whose sum is σ = 189307258560. Its totient is φ = 78514528320.

The previous prime is 124042052221. The next prime is 124042052237. The reversal of 124042052225 is 522250240421.

It is a happy number.

It is not a de Polignac number, because 124042052225 - 2² = 124042052221 is a prime.

It is not an unprimeable number, because it can be changed into a prime (124042052221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27259715 + ... + 27264264.

It is an arithmetic number, because the mean of its divisors is an integer number (7887802440).

Almost surely, 2^124042052225 is an apocalyptic number.

It is an amenable number.

124042052225 is a deficient number, since it is larger than the sum of its proper divisors (65265206335).

124042052225 is a wasteful number, since it uses less digits than its factorization.

124042052225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54524009 (or 54524004 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 29.

Adding to 124042052225 its reverse (522250240421), we get a palindrome (646292292646).

The spelling of 124042052225 in words is "one hundred twenty-four billion, forty-two million, fifty-two thousand, two hundred twenty-five".