2105049 has 8 divisors (see below), whose sum is σ = 2852992. Its totient is φ = 1380240.

The previous prime is 2105027. The next prime is 2105069. The reversal of 2105049 is 9405012.

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

It is not a de Polignac number, because 2105049 - 2¹² = 2100953 is a prime.

It is an Ulam number.

It is a Duffinian number.

2105049 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2105009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5569 + ... + 5934.

It is an arithmetic number, because the mean of its divisors is an integer number (356624).

2^2105049 is an apocalyptic number.

It is an amenable number.

2105049 is a deficient number, since it is larger than the sum of its proper divisors (747943).

2105049 is a wasteful number, since it uses less digits than its factorization.

2105049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11567.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 2105049 is about 1450.8786992716. The cubic root of 2105049 is about 128.1604636315.

The spelling of 2105049 in words is "two million, one hundred five thousand, forty-nine".