2121093 has 16 divisors (see below), whose sum is σ = 3384640. Its totient is φ = 1305072.

The previous prime is 2121043. The next prime is 2121121. The reversal of 2121093 is 3901212.

It is a happy number.

It is not a de Polignac number, because 2121093 - 2⁶ = 2121029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2121023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2671 + ... + 3372.

It is an arithmetic number, because the mean of its divisors is an integer number (211540).

2^2121093 is an apocalyptic number.

It is an amenable number.

2121093 is a deficient number, since it is larger than the sum of its proper divisors (1263547).

2121093 is a wasteful number, since it uses less digits than its factorization.

2121093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6065 (or 6059 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 2121093 is about 1456.3972672317. The cubic root of 2121093 is about 128.4852390601.

The spelling of 2121093 in words is "two million, one hundred twenty-one thousand, ninety-three".