2112939 has 16 divisors (see below), whose sum is σ = 3158400. Its totient is φ = 1396008.

The previous prime is 2112937. The next prime is 2112953. The reversal of 2112939 is 9392112.

2112939 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2112939 - 2¹ = 2112937 is a prime.

It is a super-2 number, since 2×2112939² = 8929022435442, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2112937) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 3472 + ... + 4034.

It is an arithmetic number, because the mean of its divisors is an integer number (197400).

2^2112939 is an apocalyptic number.

2112939 is a deficient number, since it is larger than the sum of its proper divisors (1045461).

2112939 is a wasteful number, since it uses less digits than its factorization.

2112939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 711 (or 705 counting only the distinct ones).

The product of its digits is 972, while the sum is 27.

The square root of 2112939 is about 1453.5951981209. The cubic root of 2112939 is about 128.3203847433.

The spelling of 2112939 in words is "two million, one hundred twelve thousand, nine hundred thirty-nine".