1198231 has 8 divisors (see below), whose sum is σ = 1272960. Its totient is φ = 1125432.

The previous prime is 1198229. The next prime is 1198247. The reversal of 1198231 is 1328911.

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

It is a cyclic number.

It is not a de Polignac number, because 1198231 - 2¹ = 1198229 is a prime.

It is a super-2 number, since 2×1198231² = 2871515058722, which contains 22 as substring.

It is a Duffinian number.

1198231 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 1198196 and 1198205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1198201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 916 + ... + 1798.

It is an arithmetic number, because the mean of its divisors is an integer number (159120).

2^1198231 is an apocalyptic number.

1198231 is a deficient number, since it is larger than the sum of its proper divisors (74729).

1198231 is an equidigital number, since it uses as much as digits as its factorization.

1198231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 965.

The product of its digits is 432, while the sum is 25.

The square root of 1198231 is about 1094.6373828807. The cubic root of 1198231 is about 106.2136133766.

The spelling of 1198231 in words is "one million, one hundred ninety-eight thousand, two hundred thirty-one".