420040111 has 8 divisors (see below), whose sum is σ = 437571200. Its totient is φ = 402757920.

The previous prime is 420040109. The next prime is 420040139. The reversal of 420040111 is 111040024.

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 420040111 - 2¹ = 420040109 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 420040091 and 420040100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420040141) 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, 58776 + ... + 65533.

It is an arithmetic number, because the mean of its divisors is an integer number (54696400).

Almost surely, 2^420040111 is an apocalyptic number.

420040111 is a deficient number, since it is larger than the sum of its proper divisors (17531089).

420040111 is a wasteful number, since it uses less digits than its factorization.

420040111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124449.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 420040111 is about 20494.8801167511. The cubic root of 420040111 is about 748.9110781344.

Adding to 420040111 its reverse (111040024), we get a palindrome (531080135).

The spelling of 420040111 in words is "four hundred twenty million, forty thousand, one hundred eleven".