1230198 has 8 divisors (see below), whose sum is σ = 2460408. Its totient is φ = 410064.

The previous prime is 1230181. The next prime is 1230199. The reversal of 1230198 is 8910321.

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

1230198 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102511 + ... + 102522.

It is an arithmetic number, because the mean of its divisors is an integer number (307551).

2^1230198 is an apocalyptic number.

1230198 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1230198 is a wasteful number, since it uses less digits than its factorization.

1230198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205038.

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 1230198 is about 1109.1429123427. The cubic root of 1230198 is about 107.1498758577.

The spelling of 1230198 in words is "one million, two hundred thirty thousand, one hundred ninety-eight".