2105242 has 8 divisors (see below), whose sum is σ = 3179232. Its totient is φ = 1045500.

The previous prime is 2105231. The next prime is 2105251. The reversal of 2105242 is 2425012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3184 + ... + 3787.

It is an arithmetic number, because the mean of its divisors is an integer number (397404).

2^2105242 is an apocalyptic number.

2105242 is a deficient number, since it is larger than the sum of its proper divisors (1073990).

2105242 is a wasteful number, since it uses less digits than its factorization.

2105242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7124.

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 2105242 is about 1450.9452091654. The cubic root of 2105242 is about 128.1643802804.

The spelling of 2105242 in words is "two million, one hundred five thousand, two hundred forty-two".