2120798 has 8 divisors (see below), whose sum is σ = 3213000. Its totient is φ = 1049800.

The previous prime is 2120779. The next prime is 2120819. The reversal of 2120798 is 8970212.

It is a happy number.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2120798.

It is a congruent number.

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, 5048 + ... + 5451.

It is an arithmetic number, because the mean of its divisors is an integer number (401625).

2^2120798 is an apocalyptic number.

2120798 is a deficient number, since it is larger than the sum of its proper divisors (1092202).

2120798 is a wasteful number, since it uses less digits than its factorization.

2120798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10602.

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 2120798 is about 1456.2959863984. The cubic root of 2120798 is about 128.4792822408.

The spelling of 2120798 in words is "two million, one hundred twenty thousand, seven hundred ninety-eight".