2040111 has 12 divisors (see below), whose sum is σ = 2959320. Its totient is φ = 1354320.

The previous prime is 2040109. The next prime is 2040113. The reversal of 2040111 is 1110402.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2040109) and next prime (2040113).

It is not a de Polignac number, because 2040111 - 2¹ = 2040109 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 2040093 and 2040102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2040113) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3501 + ... + 4041.

It is an arithmetic number, because the mean of its divisors is an integer number (246610).

2^2040111 is an apocalyptic number.

2040111 is a deficient number, since it is larger than the sum of its proper divisors (919209).

2040111 is a wasteful number, since it uses less digits than its factorization.

2040111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 966 (or 963 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 2040111 is about 1428.3245429523. The cubic root of 2040111 is about 126.8288143508.

Adding to 2040111 its reverse (1110402), we get a palindrome (3150513).

The spelling of 2040111 in words is "two million, forty thousand, one hundred eleven".