420122311 has 16 divisors (see below), whose sum is σ = 490428928. Its totient is φ = 352447200.

The previous prime is 420122267. The next prime is 420122321. The reversal of 420122311 is 113221024.

It is not a de Polignac number, because 420122311 - 2¹³ = 420114119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420122321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87766 + ... + 92428.

It is an arithmetic number, because the mean of its divisors is an integer number (30651808).

Almost surely, 2^420122311 is an apocalyptic number.

420122311 is a deficient number, since it is larger than the sum of its proper divisors (70306617).

420122311 is a wasteful number, since it uses less digits than its factorization.

420122311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4942.

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

The square root of 420122311 is about 20496.8853975427. The cubic root of 420122311 is about 748.9599278147.

Adding to 420122311 its reverse (113221024), we get a palindrome (533343335).

The spelling of 420122311 in words is "four hundred twenty million, one hundred twenty-two thousand, three hundred eleven".