124257206406 has 16 divisors (see below), whose sum is σ = 248522928624. Its totient is φ = 41417649504.

The previous prime is 124257206393. The next prime is 124257206417. The reversal of 124257206406 is 604602752421.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 156621 + ... + 522536.

It is an arithmetic number, because the mean of its divisors is an integer number (15532683039).

Almost surely, 2^124257206406 is an apocalyptic number.

124257206406 is an abundant number, since it is smaller than the sum of its proper divisors (124265722218).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

124257206406 is a wasteful number, since it uses less digits than its factorization.

124257206406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 709655.

The product of its (nonzero) digits is 161280, while the sum is 39.

Adding to 124257206406 its reverse (604602752421), we get a palindrome (728859958827).

The spelling of 124257206406 in words is "one hundred twenty-four billion, two hundred fifty-seven million, two hundred six thousand, four hundred six".