2125198 has 4 divisors (see below), whose sum is σ = 3187800. Its totient is φ = 1062598.

The previous prime is 2125181. The next prime is 2125219. The reversal of 2125198 is 8915212.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 531298 + ... + 531301.

It is an arithmetic number, because the mean of its divisors is an integer number (796950).

2^2125198 is an apocalyptic number.

2125198 is a deficient number, since it is larger than the sum of its proper divisors (1062602).

2125198 is a wasteful number, since it uses less digits than its factorization.

2125198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1062601.

The product of its digits is 1440, while the sum is 28.

The square root of 2125198 is about 1457.8058855691. The cubic root of 2125198 is about 128.5680724580.

The spelling of 2125198 in words is "two million, one hundred twenty-five thousand, one hundred ninety-eight".