2118142 has 16 divisors (see below), whose sum is σ = 3506832. Its totient is φ = 953280.

The previous prime is 2118121. The next prime is 2118163. The reversal of 2118142 is 2418112.

It is a happy number.

2118142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2118121) and next prime (2118163).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73 + ... + 2059.

It is an arithmetic number, because the mean of its divisors is an integer number (219177).

2^2118142 is an apocalyptic number.

2118142 is a deficient number, since it is larger than the sum of its proper divisors (1388690).

2118142 is a wasteful number, since it uses less digits than its factorization.

2118142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2043.

The product of its digits is 128, while the sum is 19.

The square root of 2118142 is about 1455.3837981783. The cubic root of 2118142 is about 128.4256257831.

The spelling of 2118142 in words is "two million, one hundred eighteen thousand, one hundred forty-two".