420113122 has 16 divisors (see below), whose sum is σ = 740339712. Its totient is φ = 176271120.

The previous prime is 420113117. The next prime is 420113149. The reversal of 420113122 is 221311024.

It is a junction number, because it is equal to n+sod(n) for n = 420113096 and 420113105.

It is an unprimeable number.

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, 734178 + ... + 734749.

It is an arithmetic number, because the mean of its divisors is an integer number (46271232).

Almost surely, 2^420113122 is an apocalyptic number.

420113122 is a deficient number, since it is larger than the sum of its proper divisors (320226590).

420113122 is a wasteful number, since it uses less digits than its factorization.

420113122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1468953.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 420113122 is about 20496.6612403094. The cubic root of 420113122 is about 748.9544673073.

Adding to 420113122 its reverse (221311024), we get a palindrome (641424146).

The spelling of 420113122 in words is "four hundred twenty million, one hundred thirteen thousand, one hundred twenty-two".