420111003 has 8 divisors (see below), whose sum is σ = 603236368. Its totient is φ = 258529824.

The previous prime is 420110983. The next prime is 420111007. The reversal of 420111003 is 300111024.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 420111003 - 2¹⁶ = 420045467 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 420111003.

It is not an unprimeable number, because it can be changed into a prime (420111007) 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, 5386000 + ... + 5386077.

It is an arithmetic number, because the mean of its divisors is an integer number (75404546).

Almost surely, 2^420111003 is an apocalyptic number.

420111003 is a deficient number, since it is larger than the sum of its proper divisors (183125365).

420111003 is a wasteful number, since it uses less digits than its factorization.

420111003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10772093.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 420111003 is about 20496.6095488986. The cubic root of 420111003 is about 748.9532080931.

Adding to 420111003 its reverse (300111024), we get a palindrome (720222027).

The spelling of 420111003 in words is "four hundred twenty million, one hundred eleven thousand, three".