1198426 has 4 divisors (see below), whose sum is σ = 1797642. Its totient is φ = 599212.

The previous prime is 1198411. The next prime is 1198427. The reversal of 1198426 is 6248911.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 837225 + 361201 = 915^2 + 601^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (1198427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 299605 + ... + 299608.

2^1198426 is an apocalyptic number.

1198426 is a deficient number, since it is larger than the sum of its proper divisors (599216).

1198426 is an equidigital number, since it uses as much as digits as its factorization.

1198426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 599215.

The product of its digits is 3456, while the sum is 31.

The square root of 1198426 is about 1094.7264498495. The cubic root of 1198426 is about 106.2193747952.

The spelling of 1198426 in words is "one million, one hundred ninety-eight thousand, four hundred twenty-six".