2126198 has 8 divisors (see below), whose sum is σ = 3233208. Its totient is φ = 1048464.

The previous prime is 2126191. The next prime is 2126203. The reversal of 2126198 is 8916212.

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

It is a nialpdrome in base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 2126198.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2126191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7136 + ... + 7427.

It is an arithmetic number, because the mean of its divisors is an integer number (404151).

2^2126198 is an apocalyptic number.

2126198 is a deficient number, since it is larger than the sum of its proper divisors (1107010).

2126198 is a wasteful number, since it uses less digits than its factorization.

2126198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14638.

The product of its digits is 1728, while the sum is 29.

The square root of 2126198 is about 1458.1488264234. The cubic root of 2126198 is about 128.5882349576.

The spelling of 2126198 in words is "two million, one hundred twenty-six thousand, one hundred ninety-eight".