1243198 has 8 divisors (see below), whose sum is σ = 2034360. Its totient is φ = 565080.

The previous prime is 1243181. The next prime is 1243211. The reversal of 1243198 is 8913421.

It is a happy number.

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

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, 28233 + ... + 28276.

It is an arithmetic number, because the mean of its divisors is an integer number (254295).

2^1243198 is an apocalyptic number.

1243198 is a deficient number, since it is larger than the sum of its proper divisors (791162).

1243198 is a wasteful number, since it uses less digits than its factorization.

1243198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56522.

The product of its digits is 1728, while the sum is 28.

The square root of 1243198 is about 1114.9878923109. The cubic root of 1243198 is about 107.5259861462.

It can be divided in two parts, 1243 and 198, that added together give a palindrome (1441).

The spelling of 1243198 in words is "one million, two hundred forty-three thousand, one hundred ninety-eight".