124406144025 has 24 divisors (see below), whose sum is σ = 205933039680. Its totient is φ = 66269874240.

The previous prime is 124406144021. The next prime is 124406144053. The reversal of 124406144025 is 520441604421.

It is not a de Polignac number, because 124406144025 - 2² = 124406144021 is a prime.

It is not an unprimeable number, because it can be changed into a prime (124406144021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 938277 + ... + 1062626.

It is an arithmetic number, because the mean of its divisors is an integer number (8580543320).

Almost surely, 2^124406144025 is an apocalyptic number.

124406144025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

124406144025 is a deficient number, since it is larger than the sum of its proper divisors (81526895655).

124406144025 is a wasteful number, since it uses less digits than its factorization.

124406144025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2001745 (or 2001740 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 33.

Adding to 124406144025 its reverse (520441604421), we get a palindrome (644847748446).

The spelling of 124406144025 in words is "one hundred twenty-four billion, four hundred six million, one hundred forty-four thousand, twenty-five".