42007111 has 8 divisors (see below), whose sum is σ = 43246224. Its totient is φ = 40784640.

The previous prime is 42007103. The next prime is 42007129. The reversal of 42007111 is 11170024.

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 42007111 - 2³ = 42007103 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 (42007151) 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, 1056 + ... + 9226.

It is an arithmetic number, because the mean of its divisors is an integer number (5405778).

Almost surely, 2^42007111 is an apocalyptic number.

42007111 is a deficient number, since it is larger than the sum of its proper divisors (1239113).

42007111 is an equidigital number, since it uses as much as digits as its factorization.

42007111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8321.

The product of its (nonzero) digits is 56, while the sum is 16.

The square root of 42007111 is about 6481.2893007487. The cubic root of 42007111 is about 347.6222808621.

Adding to 42007111 its reverse (11170024), we get a palindrome (53177135).

It can be divided in two parts, 4200 and 7111, that added together give a palindrome (11311).

The spelling of 42007111 in words is "forty-two million, seven thousand, one hundred eleven".