420030111 has 8 divisors (see below), whose sum is σ = 561628080. Its totient is φ = 279226112.

The previous prime is 420030109. The next prime is 420030119. The reversal of 420030111 is 111030024.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 420030111 - 2¹ = 420030109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420030119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197256 + ... + 199373.

It is an arithmetic number, because the mean of its divisors is an integer number (70203510).

Almost surely, 2^420030111 is an apocalyptic number.

420030111 is a deficient number, since it is larger than the sum of its proper divisors (141597969).

420030111 is a wasteful number, since it uses less digits than its factorization.

420030111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396985.

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

The square root of 420030111 is about 20494.6361519301. The cubic root of 420030111 is about 748.9051349161.

Adding to 420030111 its reverse (111030024), we get a palindrome (531060135).

The spelling of 420030111 in words is "four hundred twenty million, thirty thousand, one hundred eleven".