420546111 has 16 divisors (see below), whose sum is σ = 568329216. Its totient is φ = 276587136.

The previous prime is 420546101. The next prime is 420546121. The reversal of 420546111 is 111645024.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (420546101) and next prime (420546121).

It is not a de Polignac number, because 420546111 - 2⁹ = 420545599 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420546101) 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 15 ways as a sum of consecutive naturals, for example, 72816 + ... + 78378.

It is an arithmetic number, because the mean of its divisors is an integer number (35520576).

Almost surely, 2^420546111 is an apocalyptic number.

420546111 is a deficient number, since it is larger than the sum of its proper divisors (147783105).

420546111 is a wasteful number, since it uses less digits than its factorization.

420546111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5902.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 420546111 is about 20507.2209477540. The cubic root of 420546111 is about 749.2116819187.

The spelling of 420546111 in words is "four hundred twenty million, five hundred forty-six thousand, one hundred eleven".