2118124 has 6 divisors (see below), whose sum is σ = 3706724. Its totient is φ = 1059060.

The previous prime is 2118121. The next prime is 2118163. The reversal of 2118124 is 4218112.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2118121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 264762 + ... + 264769.

2^2118124 is an apocalyptic number.

It is an amenable number.

2118124 is a deficient number, since it is larger than the sum of its proper divisors (1588600).

2118124 is a wasteful number, since it uses less digits than its factorization.

2118124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 529535 (or 529533 counting only the distinct ones).

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

The square root of 2118124 is about 1455.3776142294. The cubic root of 2118124 is about 128.4252619944.

It can be divided in two parts, 21 and 18124, that added together give a triangular number (18145 = T₁₉₀).

The spelling of 2118124 in words is "two million, one hundred eighteen thousand, one hundred twenty-four".