1204420124406 has 16 divisors (see below), whose sum is σ = 2409217354800. Its totient is φ = 401410523808.

The previous prime is 1204420124399. The next prime is 1204420124407. The reversal of 1204420124406 is 6044210244021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1204420124407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15671221 + ... + 15747888.

It is an arithmetic number, because the mean of its divisors is an integer number (150576084675).

Almost surely, 2^{1204420124406} is an apocalyptic number.

1204420124406 is an abundant number, since it is smaller than the sum of its proper divisors (1204797230394).

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

1204420124406 is a wasteful number, since it uses less digits than its factorization.

1204420124406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31425503.

The product of its (nonzero) digits is 12288, while the sum is 30.

Adding to 1204420124406 its reverse (6044210244021), we get a palindrome (7248630368427).

The spelling of 1204420124406 in words is "one trillion, two hundred four billion, four hundred twenty million, one hundred twenty-four thousand, four hundred six".