420984126 has 24 divisors (see below), whose sum is σ = 943586280. Its totient is φ = 135488976.

The previous prime is 420984079. The next prime is 420984131. The reversal of 420984126 is 621489024.

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 11 ways as a sum of consecutive naturals, for example, 402720 + ... + 403763.

It is an arithmetic number, because the mean of its divisors is an integer number (39316095).

Almost surely, 2^420984126 is an apocalyptic number.

420984126 is an abundant number, since it is smaller than the sum of its proper divisors (522602154).

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

420984126 is a wasteful number, since it uses less digits than its factorization.

420984126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 806520 (or 806517 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 420984126 is about 20517.8976993258. The cubic root of 420984126 is about 749.4717026232.

The spelling of 420984126 in words is "four hundred twenty million, nine hundred eighty-four thousand, one hundred twenty-six".