420164126 has 16 divisors (see below), whose sum is σ = 635007600. Its totient is φ = 208501440.

The previous prime is 420164123. The next prime is 420164179. The reversal of 420164126 is 621461024.

It is a nialpdrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 420164095 and 420164104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420164123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154325 + ... + 157023.

It is an arithmetic number, because the mean of its divisors is an integer number (39687975).

Almost surely, 2^420164126 is an apocalyptic number.

420164126 is a deficient number, since it is larger than the sum of its proper divisors (214843474).

420164126 is a wasteful number, since it uses less digits than its factorization.

420164126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3259.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 420164126 is about 20497.9054051871. The cubic root of 420164126 is about 748.9847751187.

The spelling of 420164126 in words is "four hundred twenty million, one hundred sixty-four thousand, one hundred twenty-six".