1210198 has 8 divisors (see below), whose sum is σ = 1980360. Its totient is φ = 550080.

The previous prime is 1210193. The next prime is 1210207. The reversal of 1210198 is 8910121.

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

It is a Harshad number since it is a multiple of its sum of digits (22), and also a Moran number because the ratio is a prime number: 55009 = 1210198 / (1 + 2 + 1 + 0 + 1 + 9 + 8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1210193) 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, 27483 + ... + 27526.

It is an arithmetic number, because the mean of its divisors is an integer number (247545).

2^1210198 is an apocalyptic number.

1210198 is a deficient number, since it is larger than the sum of its proper divisors (770162).

1210198 is a wasteful number, since it uses less digits than its factorization.

1210198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55022.

The product of its (nonzero) digits is 144, while the sum is 22.

The square root of 1210198 is about 1100.0899963185. The cubic root of 1210198 is about 106.5660357355.

The spelling of 1210198 in words is "one million, two hundred ten thousand, one hundred ninety-eight".